0001997859-25-000067 | 10-Q | XBRL Viewer | Webtoon Entertainment INC

[1]	Includes amounts earned from related parties of $17,713 and $13,287 for the three months ended March 31, 2025, and March 31, 2024, respectively. (See Note 12. Related Party Transactions)

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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+ Details

Related Party Transactions

3 Months Ended

Mar. 31, 2025

Related Party Transactions

The Company’s Related Parties

NAVER and LY Corporation ("LY", formerly named Z Holdings Corporation) are the primary shareholders of the Parent. Related parties include NAVER's controlled affiliates, Company's management, Company directors, and stakeholders that hold significant influence over the Company. During the three months ended March 31, 2025 and 2024, the Company provided advertising services to NAVER group companies and LY giving rise to related party receivables as of March 31, 2025 and December 31, 2024. Additionally, during the three months ended March 31, 2025 and 2024, the Company received brand-usage and outsourcing services from NAVER and LY, which resulted in the Company recognizing related party payables as of March 31, 2025 and December 31, 2024.

In addition to the transactions mentioned above, the Company has a history of renting facilities from its parent, NAVER. Related party operating lease expenses were $0.6 million and $1.6 million during the three months ended March 31, 2025 and 2024, respectively, with related lease obligations of $12.6 million and $13.0 million as of March 31, 2025 and December 31, 2024, respectively (Refer to Note 5. Leases for additional information). The Company also subleases part of its office space to other related parties and the total other income generated from subleases was $0.1 million and $0.1 million for the three months ended March 31, 2025 and 2024, respectively.

Related Party Transactions and Balances

The Company entered into the following significant related party transactions during the periods presented:


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Revenue generated		$	17,713	$	13,287
Cost of revenue incurred		28,131		8,954
Marketing expenses incurred (cost reimbursed)		(2,581)		(1,905)
General and administrative expenses incurred		6,913		6,428
Other income, net		411		(206)

*all expenses are net amounts including reimbursement from its related parties

The Company had the following significant balances due from and due to related parties as of March 31, 2025 and December 31, 2024:


	As of
	March 31, 2025		December 31, 2024
	(in thousands of USD)
Due from related parties
Receivables	$	56,859	$	59,495
Other current assets	7,290		9,258
Other non-current assets	3,719		3,569
Loan receivables	28,606		28,503
Due to related parties
Current portion of operating lease liabilities	4,460		3,506
Operating lease liabilities	8,178		9,519

Accounts payable	16,935		17,173
Accrued expenses	7,750		5,562

Other	2		3

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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+ Details

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2025
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company is subject to U.S. federal and various state corporate income taxes as well as taxes in foreign jurisdictions where foreign subsidiaries have been established. The Company’s income tax provision for the three months ended March 31, 2025, is determined using an estimate of the Company’s annual effective tax rate, adjusted for any discrete items reflected in the relevant period. The Company recorded an income tax expense of $2.5 million and $6.7 million in the three months ended March 31, 2025 and 2024, respectively. During the three months ended March 31, 2025, the Company recognized a net discrete tax expense of $3.5 million, primarily due to $2.5 million of the withholding taxes paid in various jurisdictions by its Korean entities, and $1.4 million of return-to-provision true up adjustments in Korea and Japan tax return filings. During the three months ended March 31, 2024, the Company recognized a net discrete tax expense of $1.9 million primarily due to $1.9 million of the withholding taxes paid in various jurisdictions by its Korean entities. The effective tax rate was (13.1)% and 51.7% for the three months ended March 31, 2025 and 2024, respectively. The income tax expense was determined based upon estimates of the Company's effective income tax rates in various jurisdictions. The difference between the Company's effective income tax rate and the U.S. federal statutory rate is primarily due to foreign income taxes, return-to-provision adjustments, and the non-recognition of deferred tax assets. This results from the Company maintaining a full valuation allowance against U.S. deferred tax assets, as well as deferred tax assets for most of its subsidiaries that incurred taxable losses.

- Definition

The entire disclosure for income tax.

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+ Details

Disposition

3 Months Ended

Mar. 31, 2025

Discontinued Operations and Disposal Groups [Abstract]

Disposition

Jakga

On March 28, 2024, the Company entered into a stock transfer agreement with a third party (the “Buyer”), pursuant to which the Buyer agreed to acquire 0.3% of Jakga voting interests from the Company. The Company completed the sale for consideration of $0.1 million in cash. On the same day, Jakga entered into a share investment agreement with another third party, pursuant to which Jakga issued new shares of redeemable convertible preferred stock representing 3.5% of the voting equity interest of Jakga. Following the completion of the stock transfer agreement and the share investment agreement, the Company entered into a shareholder’s agreement to forgo its ability to appoint a member on Jakga’s board of directors to divest Jakga. The stock transfer agreement, share investment agreement, and shareholder’s agreement (collectively, the “Jakga Transactions”) resulted in a dilution of the Company’s ownership to 49.2% and losing controlling financial interest in Jakga. The Company deconsolidated Jakga on March 28, 2024 and accounted for the retained common stock as an equity method investment and the retained redeemable convertible preferred stock as a debt security (see additional details related to the redeemable preferred stock in Note 11. Fair Value Measurements). Jakga became a related party of the Company after the deconsolidation. As of the disposition date, the retained common stock and redeemable

convertible preferred stock in Jakga were measured at fair value using a discounted cash flow model applying a discount rate of 15.1% and a terminal growth rate of 1.0% incorporating historical financial information, business plans of Jakga, and market outlook information. The Company recorded a $2.5 million loss on disposition of Jakga in Other income (loss), net in the Company’s Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the three months ended March 31, 2024. The loss includes the accounting for assets sold, liabilities transferred upon sale and the loss of $2.1 million relating to the remeasurement of the retained interest in Jakga.

The Company has accounted for the transaction as follows (in thousands of USD):


Cash consideration received	$	149
Fair value of retained common stock of Jakga by the Company	3,075
Fair value of retained redeemable convertible preferred stock of Jakga by the Company	6,432
Carrying value of non-controlling interest in Jakga held by other than the Company	3,861
Carrying amount of net assets of Jakga including goodwill, identified intangibles and deferred tax liabilities	(15,998)
Loss on disposal of Jakga	$	(2,481)

Stock-Based Compensation - Summary of Compensation Expenses for All Stock-Based Payment Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation expenses	$ 18,253	$ 2,596
Cost of Revenue [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation expenses	4,780	293
Marketing [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation expenses	836	115
General and Administrative Expenses [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation expenses	$ 12,637	$ 2,188

Redeemable Non-Controlling Interest in Subsidiary - Summary of Redeemable Noncontrolling Interest in Subsidiary (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Noncontrolling Interest [Abstract]
Balance as of January 1	$ 36,580	$ 41,429
Comprehensive income attributable to redeemable non-controlling interest	204	96
Balance as of March 31	$ 36,784	$ 41,525

Segment and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Reconciliation of Profit (Loss) from Segments to Consolidated

The following table presents reportable segment profit and loss, including significant expense categories, attributable to the Company's reportable segment for the periods presented:


	Three Months Ended
	March 31, 2025		March 31, 2024
	(in thousands of USD)
Revenue	$	325,707	$	326,744

Cost of revenue	254,096		244,385
Marketing	31,543		19,478
General and administrative expenses - labor related	23,373		19,991
General and administrative expenses - non-labor related	43,329		28,702
Interest income	(5,113)		(1,235)
Interest expense	2		33
Loss on equity method investment, net	569		1,052

Other loss (income), net	(2,670)		1,437
Income tax expense	2,547		6,668
Net Income (Loss)	$	(21,969)	$	6,233

The following non-cash expense items are also included in the measure of segment profit or loss reviewed by the CODM:
Stock-based compensation	$	18,253	$	1,311
Depreciation and amortization	$	8,437	$	9,035

Company's Long-lived Tangible Assets and Operating Lease Right-of-use Assets

The Company’s long-lived tangible assets as well as the Company’s operating lease right-of-use assets recognized on the Consolidated Balance Sheets, are located as follows for the three months ended March 31, 2025 and December 31, 2024:


	As of
	March 31, 2025		December 31, 2024

	(in thousands of USD)
Korea	$	16,344	$	17,465
Japan	12,055		182

Rest of World	2,400		2,784
Total long-lived tangible assets and operating lease right-of-use assets	$	30,799	$	20,431

Related Party Transactions - Schedule of Significant Balances Due From and Due To Related Parties (Details) - USD ($)
$ in Thousands

Mar. 31, 2025

Dec. 31, 2024

Due from related parties

Other non-current assets

^[1]

$ 69,560

$ 65,906

Due to related parties

Current portion of operating lease liabilities

^[2]

8,007

6,053

Operating lease liabilities

^[3]

19,805

11,187

Accounts payable

^[4]

132,582

127,306

Accrued expenses

^[5]

58,937

62,209

Other

2,917

2,231

Related Parties

Due from related parties

Receivables

56,859

59,495

Other current assets

7,290

9,258

Other non-current assets

3,719

3,569

Loan receivables

28,606

28,503

Due to related parties

Current portion of operating lease liabilities

4,460

3,506

Operating lease liabilities

8,178

9,519

Accounts payable

16,935

17,173

Accrued expenses

7,750

5,562

Other

$ 2

$ 3

[1]	Includes amounts due from related parties of $32,325 and $32,072 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	6.Includes amounts due to related parties of $4,460 and $3,506 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[3]	Includes amounts due to related parties of $8,178 and $9,519 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[4]	Includes amounts due to related parties of $16,935 and $17,173 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[5]	Includes amounts due to related parties of $7,750 and $5,562 as of March 31, 2025, and December 31, 2024, respectively.

Revenue - Additional Information1 (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obligation		$ 85.9
Revenue remaining performance obligation expected		1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-03-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue remaining performance obligation	$ 85.7
Revenue remaining performance obligation expected	1 year

Description of Business and Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2025
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The unaudited condensed consolidated interim financial information reflects all normal recurring adjustments that are, in the opinion of management, necessary for fair statement of the results of the interim period. Certain information and note disclosures normally included in the annual consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations. The unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited consolidated financial statements as of and for the year ended December 31, 2024, included in the Company's Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on March 11, 2025. Interim results are not necessarily indicative of the results for a full year.
Reclassifications	Reclassifications Certain amounts reported for prior years have been reclassified to conform to the current year's presentation.
Concentrations of Credit Risk	Concentrations of Credit Risk Cash and cash equivalents, receivables and loan receivables are potentially subject to concentration of credit risk. Cash and cash equivalents are placed with several financial institutions that management believes are of high credit quality. The Company’s receivable include amounts concentrated with three payment gateway companies representing 57.0% and 54.9% of the total receivables balance as of March 31, 2025 and December 31, 2024, respectively.Three borrowers represent 88.6% and 89.0% of the total loan receivables balance as of March 31, 2025 and December 31, 2024, respectively.
Forward Stock Split, Change in Par Value	Forward Stock Split, Change in Par Value On June 26, 2024, the Company filed an Amended and Restated Certificate of Incorporation (the “Amended Charter'') which effectuated a 30-for-1 forward stock split of its common stock and adjusted the par value of its common stock from $0.01 to $0.0001 on such date. Accordingly, all share and per share amounts presented in the Condensed Consolidated Financial Statements have been retroactively adjusted to reflect the stock split and change in par value for all periods presented.
Phantom Units	Phantom Units During the three months ended March 31, 2025, the Company granted awards in the form of "Phantom Units", which provide recipients with the right to receive cash payments, less applicable withholding, equivalent to the fair market value of one share of the Company's common stock on the applicable vesting date, multiplied by the number of Phantom Units that vest. While these Phantom Units do not confer ownership rights, they are also entitled to dividends, if declared, equivalent in an amount in cash and form equal to the dividend that would have been paid on the shares underlying the Phantom Unit had such shares been outstanding on such record date. Any such dividend equivalents shall be subject to the same vesting conditions applicable to the underlying Phantom Unit with respect to which they accrue. Phantom Units are recorded as an expense based on the fair value of the units on the balance sheet date. The fair value of these awards is updated at each balance sheet date and changes in the fair value of the vested portions of the awards are recorded as increases or decreases to compensation expense in the Consolidated Statements of Income. All of the outstanding Phantom Units at March 31, 2025, met the criteria to be treated under liability classification in accordance with ASC 718, given that these awards will settle in cash on the vesting date. See Note 7. Stock-Based Compensation for more information on the Company's Phantom Units.

- Definition

Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.

+ References

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+ Details

Prepaid Expenses and Other Assets, net

3 Months Ended

Mar. 31, 2025

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Assets, net

Other Current Assets, net


	As of
	March 31, 2025		December 31, 2024
	(in thousands of USD)
Advance payments, net	$	43,252	$	47,545
Term deposits	28,140		26,328
Prepaid expenses	15,919		14,008
Other current assets, net	9,093		6,902
Total other current assets, net	$	96,404	$	94,783

Advance payments are primarily comprised of the advance payments for production of film contents and the payment of minimum guarantees to creators or publishers for their provision of content, such as web-comics, on the Company’s platform.

The advance payments for production of film contents are directly related to the contract that will be used to satisfy a future performance obligation and are expected to be recovered. These costs are amortized on a systematic basis consistent with the transfer of services to the customer to which the asset relates.The Company's balance of advance payments due to film production contracts are $33.0 million and $35.1 million as of March 31, 2025 and December 31, 2024, respectively.

The advance payments for minimum guarantee are amortized as associated commission expenses payable to creators or publishers are incurred. When the Company determines the estimated future commission expenses payable are less than the carrying amount of such advance payments, the remaining portion of that advance payment is charged to expense in the period in which such determination is made. The Company charged advance payments to expense due to such determination in the amounts of $0.4 million and $0.2 million as of March 31, 2025 and December 31, 2024, respectively.

As of March 31, 2025 and December 31, 2024, $8.4 million and $8.0 million of the term deposit balance was pledged to Sumitomo Mitsui Banking Corporation as a compensating balance deposit on contract liabilities of the Company’s subsidiary in accordance with the Payment Services Act in Japan, respectively.

Other Non-Current Assets, net


	As of
	March 31, 2025		December 31, 2024
	(in thousands of USD)
Advance payments, net	$	31,286	$	29,222
Long-term loans, net	30,749		31,859
Other non-current assets, net	7,525		4,825
Total other non-current assets, net	$	69,560	$	65,906

Long-term advance payments represent the portion of advance payments expected to remain on the balance sheet beyond one year. When the Company determines the estimated future commission expenses payable are less than the carrying amount of the long-term advance payments, the remaining portion of that long-term advance payment is charged to expense in the period in which such determination is made. The Company's balance of advance payments due to film production contracts are $13.5 million and $8.5 million, and charged long-term advance payments to expense due to such determination in the amounts of $6.8 million and $6.9 million as of March 31, 2025 and December 31, 2024, respectively.

Related Party Transactions - Schedule of Significant Related Party Transactions (Details) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2025

Mar. 31, 2024

Cost of revenue incurred

^[1]

$ 254,096

$ 244,385

General and administrative expenses incurred

^[2]

66,702

48,693

Revenue generated

17,713

13,287

Cost of revenue incurred

28,131

8,954

Marketing expenses incurred (cost reimbursed)

(2,581)

(1,905)

General and administrative expenses incurred

6,913

6,428

Other income, net

$ 411

$ (206)

[1]	Includes amounts incurred from related parties of $28,131 and $8,954 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	Includes amounts incurred from related parties of $6,913 and $6,428 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions).

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

+ References

+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

Earnings (loss) per share - Schedule of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Basic earnings (loss) per share:
Net income (loss) attributable to Webtoon Entertainment Inc.	$ (22,389)	$ 6,192
Add: allocation to subsidiary / equity method investee participating security	(87)	123
Net income (loss) attributable to Webtoon Entertainment Inc.	$ (22,476)	$ 6,315
Shares used in computation:
Weighted-average common shares outstanding (shares)	129,598,942	109,505,160
Basic earnings (loss) per share (in usd per share)	$ (0.17)	$ 0.06
Diluted earnings (loss) per share:
Net income (loss) attributable to Webtoon Entertainment Inc.	$ (22,476)	$ 6,315
Add: dilutive impact of subsidiary / equity method investee stock options	(3)	(1)
Diluted net income (loss) attributable to Webtoon Entertainment Inc.	$ (22,479)	$ 6,314
Shares used in computation:
Weighted-average common shares outstanding (shares)	129,598,942	109,505,160
Dilutive effect of stock options and unvested RSUs (shares)	0	59,340
Diluted weighted-average common shares outstanding (shares)	129,598,942	109,564,500
Diluted earnings (loss) per share (in usd per share)	$ (0.17)	$ 0.06

Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Summary of Ranges of Significant Unobservable Inputs Used to Value Level 3 Assets

The tables below present the ranges of significant unobservable inputs used to value the Company’s Level 3 assets as of March 31, 2025 and December 31, 2024. These ranges do not represent a range of values for any single instrument. For example, the lowest discount rate for a particular redeemable convertible preferred stock investment may be appropriate for valuing that specific debt security but may not be appropriate for valuing any other debt securities in this asset class. Accordingly, the ranges of inputs presented below do not represent uncertainty in, or possible ranges of, fair value measurements of the Company’s Level 3 assets.

Level 3 Instruments

Amount

Valuation Techniques

Significant
Unobservable Inputs

Range of
Significant
Unobservable Inputs

As of March 31, 2025

Debt Securities

Redeemable convertible preferred stock

50,850

Option pricing model

Discount rate

8.65%-28.57%

Volatility

41.60%-66.30%

Total

50,850

Equity Securities

Redeemable convertible preferred stock

15,000

Measurement alternative

Contribution to investment fund

492

Measurement alternative

Private equity securities

Measurement alternative

Convertible preferred stock

5,728

Option pricing model

Discount rate

3.00%-16.71%

Volatility

41.68%-50.60%

Simple Agreement For Future Equity (SAFE)

1,000

Measurement alternative

Total

22,271


As of December 31, 2024
Debt Securities
Redeemable convertible preferred stock	$	48,142	Option pricing model	Discount rate	9.01%-21.94%
				Volatility	41.6%-66.30%
Total	$	48,142
Equity Securities
Redeemable convertible preferred stock	$	15,000	Measurement alternative
Contribution to investment fund	506		Measurement alternative
Private equity securities	51		Measurement alternative
Convertible preferred stock	5,477		Option pricing model	Discount rate	3.00%-16.71%
				Volatility	44.96%-50.60%
Simple Agreement For Future Equity (SAFE)	1,000		Measurement alternative
Total	$	22,034

Summary of Changes in Fair Value of Level 1 and Level 3 Assets Included Debt and Equity Securities

The below tables present a summary of changes in fair value of Level 1 and Level 3 assets, included within Debt and equity securities in the Condensed Consolidated Balance Sheets, by investment type (in thousands of USD):


	Three Months Ended March 31, 2025
	Level 1		Level 3				Total
	Equity Securities		Equity Securities		Debt Securities		Debt & Equity Securities
Beginning balance, January 1	$	3	$	22,034	$	48,142	$	70,179
Purchases	-		-		3,790		3,790
Business disposition	-		-		-		-
Net unrealized gain (loss)	-		225		(1,169)		(944)
Sales and settlement	-		-		-		-
Reclassification	-		-		-		-
Currency translation differences	-		12		87		99
Ending balance, March 31	$	3	$	22,271	$	50,850	$	73,124


	Three Months Ended March 31, 2024
	Level 1		Level 3				Total
	Equity Securities		Equity Securities		Debt Securities		Debt & Equity Securities
Beginning balance, January 1	$	16,109	$	26,847	$	48,277	$	91,233
Purchases	-		-		-		-
Business disposition	-		(776)		6,522		5,746
Net unrealized gain (loss)	3,352		19		-		3,371
Sales and settlement	-		(4)		-		(4)
Reclassification	(18,701)		-		-		(18,701)
Currency translation differences	(757)		(398)		(2,148)		(3,303)
Ending balance, March 31	$	3	$	25,688	$	52,651	$	78,342

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

+ References + Details

Related Party Transactions - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Operating lease expense	$ 1,985	$ 2,794
Income from Sublease	100	100
Related Parties \| NAVER \| Leasing Office Space
Related Party Transaction [Line Items]
Operating lease expense	600	1,600
Lease obligation	12,600		$ 13,000
Income from Sublease	$ 100	$ 100

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Summary of RSU Activity

The table below summarizes the Company’s RSU activity for the three months ended March 31, 2025:


	Number of RSUs	Weighted Average Grant-Date Fair Value
Balance as of January 1, 2025	2,635,775	$	22.00
Granted	2,989,740	9.07
Forfeited	(35,602)	18.34
Vested	(1,830,079)	15.35
Balance as of March 31, 2025	3,759,834	$	14.99

As of March 31, 2025, the total unrecognized compensation expense related to unvested RSUs was $42.7 million and is expected to be recognized over the remaining weighted-average service period of 1.88 years using the straight-line method and graded-vesting methods, as appropriate, net of estimated forfeitures.

Summary of Compensation Expenses for All Stock-Based Payment Arrangements

The following table presents the effects of all stock-based compensation in the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss):


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Cost of revenue		$	4,780	$	293
Marketing		836		115
General and administrative expenses		12,637		2,188
Total		$	18,253	$	2,596

Summary of Phantom Unit Activity

The following table summarizes the Company's Phantom Unit activity for the three months ended March 31, 2025:


	Number of Phantom Units	Weighted Average Grant-Date Fair Value
Balance as of January 1, 2025	—	$	—
Granted	557,180	9.04
Forfeited	—	—
Vested	(207,033)	9.04
Balance as of March 31, 2025	350,147	$	9.04

Cover - shares	3 Months Ended
Cover - shares	Mar. 31, 2025	May 02, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2025
Document Transition Report	false
Entity File Number	001-42144
Registrant Name	WEBTOON Entertainment Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	81-3830533
Entity Address, Address Line One	5700 Wilshire Blvd
Entity Address, Address Line Two	Suite 220
Entity Address, City or Town	Los Angeles
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90036
City Area Code	323
Local Phone Number	424-3795
Title of 12(b) Security	Common stock, par value $0.0001 per share
Trading Symbol	WBTN
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		130,188,786
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q1
Central Index Key	0001997859
Amendment Flag	false
Current Fiscal Year End Date	--12-31

Disposition (Tables)

3 Months Ended

Mar. 31, 2025

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposition Transaction Accounted For

The Company has accounted for the transaction as follows (in thousands of USD):


Cash consideration received	$	149
Fair value of retained common stock of Jakga by the Company	3,075
Fair value of retained redeemable convertible preferred stock of Jakga by the Company	6,432
Carrying value of non-controlling interest in Jakga held by other than the Company	3,861
Carrying amount of net assets of Jakga including goodwill, identified intangibles and deferred tax liabilities	(15,998)
Loss on disposal of Jakga	$	(2,481)

- Definition

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

+ References

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+ Details

Revenue

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Revenue

Disaggregation of Revenue

The following table shows revenues disaggregated by revenue stream for the three months ended March 31, 2025, and March 31, 2024, respectively:


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Paid Content		$	260,226	$	266,855
Advertising		39,898		36,996
IP Adaptations		25,583		22,893
Total		$	325,707	$	326,744

The revenue stream disaggregation above takes into consideration how the nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factors. Paid content revenue is generated from the provision of platform services that enable users to access content. Paid content revenue also includes $2.6 million and $2.7 million of physical book sales through the platform for three months ended March 31, 2025 and 2024, respectively. Advertising revenue represents amounts earned for the display of advertisements on our offerings or product placement within content. IP Adaptations include the internal development of film, streaming series, or other rich media format adaptations commissioned by third party studios or streaming platforms; the license fees generated from sub-licensing content to third parties are $3.1 million and $3.2 million for the three months ended March 31, 2025 and 2024; as well as $1.1 million and $5.4 million of merchandise sales generated through external platforms, IP royalties, and pop-up stores for the three months ended March 31, 2025 and 2024, respectively.

The following table shows disaggregation of revenue by geography for the three months ended March 31, 2025 and 2024:


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Korea		$	117,741	$	126,800
Japan		164,258		154,427
Rest of World		43,708		45,517
Total		$	325,707	$	326,744

Contract Liabilities

Contract liabilities primarily include payments received for virtual currency prior to the Company satisfying its performance obligation to deliver content to the customer.

We recognized revenues of $71.8 million and $65.9 million during the three months ended March 31, 2025 and 2024, respectively, that were included within Contract liabilities on the Condensed Consolidated Balance Sheets as of the beginning of the respective period.

Our remaining performance obligations were $85.7 million and $85.9 million as of March 31, 2025, and December 31, 2024, respectively, and we expect to recognize the entire amounts within one year of the respective dates.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Earnings (loss) per share - Schedule of Potentially Dilutive Outstanding Securities Were Excluded From The Computation of Diluted Net Loss Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive outstanding securities were excluded from the computation of diluted net loss per share	14,917,191	11,828,258
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive outstanding securities were excluded from the computation of diluted net loss per share	10,824,760	10,835,819
Unvested RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive outstanding securities were excluded from the computation of diluted net loss per share	3,759,834	669,842
Subsidiary / equity method investee stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive outstanding securities were excluded from the computation of diluted net loss per share	332,597	322,597

Segment and Geographic Information (Details) - Reportable Segment - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived tangible assets and operating lease right-of-use assets	$ 30,799	$ 20,431
Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived tangible assets and operating lease right-of-use assets	16,344	17,465
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived tangible assets and operating lease right-of-use assets	12,055	182
Rest of World
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived tangible assets and operating lease right-of-use assets	$ 2,400	$ 2,784

Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt and equity securities realized gain or loss	$ 0	$ 0

- Definition

Amount of realized gain (loss) on investment in debt and equity securities.

+ References + Details

Prepaid Expenses and Other Assets, net (Tables)

3 Months Ended

Mar. 31, 2025

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Current Assets, net

Other Current Assets, net


	As of
	March 31, 2025		December 31, 2024
	(in thousands of USD)
Advance payments, net	$	43,252	$	47,545
Term deposits	28,140		26,328
Prepaid expenses	15,919		14,008
Other current assets, net	9,093		6,902
Total other current assets, net	$	96,404	$	94,783

Schedule of Other Non-Current Assets, net

Other Non-Current Assets, net


	As of
	March 31, 2025		December 31, 2024
	(in thousands of USD)
Advance payments, net	$	31,286	$	29,222
Long-term loans, net	30,749		31,859
Other non-current assets, net	7,525		4,825
Total other non-current assets, net	$	69,560	$	65,906

Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2025

Schedule of Significant Related Party Transactions

The Company entered into the following significant related party transactions during the periods presented:


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Revenue generated		$	17,713	$	13,287
Cost of revenue incurred		28,131		8,954
Marketing expenses incurred (cost reimbursed)		(2,581)		(1,905)
General and administrative expenses incurred		6,913		6,428
Other income, net		411		(206)

*all expenses are net amounts including reimbursement from its related parties

Schedule of Significant Balances Due From and Due To Related Parties

The Company had the following significant balances due from and due to related parties as of March 31, 2025 and December 31, 2024:


	As of
	March 31, 2025		December 31, 2024
	(in thousands of USD)
Due from related parties
Receivables	$	56,859	$	59,495
Other current assets	7,290		9,258
Other non-current assets	3,719		3,569
Loan receivables	28,606		28,503
Due to related parties
Current portion of operating lease liabilities	4,460		3,506
Operating lease liabilities	8,178		9,519

Accounts payable	16,935		17,173
Accrued expenses	7,750		5,562

Other	2		3

Non-Controlling Interest in Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2025

Noncontrolling Interest [Abstract]

Schedule of Balances of Non-controlling Interest

The Company has non-controlling interests in several of its subsidiaries. The balances of non-controlling interest as of March 31, 2025 and December 31, 2024 are as follows (in thousands of USD):


	As of
	March 31, 2025		December 31, 2024
Munpia	$	47,068	$	46,593

Bootcamp	1,153		1,161
Total	$	48,221	$	47,754

___________________________________________________________________________

1.The Munpia non-controlling interest balance excludes redeemable non-controlling interest (See Note 15. Redeemable Non-Controlling Interest in Subsidiary for detail).

2.The portion of net assets in Bootcamp attributable to the LP represents a non-controlling interest (See Note 12. Related Party Transactions for detail).

Leases (Tables)

3 Months Ended

Mar. 31, 2025

Leases [Abstract]

Schedule of Supplemental Cash Flow Information Related to Operating Leases

Supplemental disclosure of cash flow information related to operating leases is as follows for the three months ended March 31, 2025 and 2024, respectively:


	Three Months Ended
	March 31, 2025		March 31, 2024
	(in thousands of USD)
Cash paid for amounts included in the measurement of operating lease liabilities	$	1,240	$	2,503
Right-of-use assets obtained in exchange for operating lease liabilities	$	12,007	$	—

Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($)
$ in Thousands

Mar. 31, 2025

Dec. 31, 2024

Allowance for credit losses

$ 3,774

$ 3,418

Common stock par value (in usd per share)

$ 0.0001

Common stock shares authorized ( shares)

2,000,000,000

Common stock shares issued (shares)

130,172,281

128,587,944

Common stock outstanding (in shares)

130,172,281

128,587,944

Receivables, net

^[1]

$ 173,710

$ 169,187

Accounts payable

^[2]

132,582

127,306

Accrued expenses

^[3]

58,937

62,209

Current portion of operating lease liabilities

^[4]

8,007

6,053

Long-term operating lease liabilities

^[5]

19,805

11,187

Related Parties

Receivables, net

56,859

59,495

Other current assets, net

7,290

9,258

Other assets net

32,325

32,072

Accounts payable

16,935

17,173

Accrued expenses

7,750

5,562

Current portion of operating lease liabilities

4,460

3,506

Long-term operating lease liabilities

$ 8,178

$ 9,519

[1]	Includes amounts due from related parties of $56,859 and $59,495 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	Includes amounts due to related parties of $16,935 and $17,173 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[3]	Includes amounts due to related parties of $7,750 and $5,562 as of March 31, 2025, and December 31, 2024, respectively.
[4]	6.Includes amounts due to related parties of $4,460 and $3,506 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[5]	Includes amounts due to related parties of $8,178 and $9,519 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
Income tax expense	$ 2,547	$ 6,668
Net discrete tax expense	3,500	1,900
Withholding taxes paid	2,500	$ 1,900
Return-to-provision true-up adjustments	$ 1,400
Effective income tax rate (percent)	(13.10%)	51.70%

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Leases

3 Months Ended

Mar. 31, 2025

Leases [Abstract]

Leases

Supplemental disclosure of cash flow information related to operating leases is as follows for the three months ended March 31, 2025 and 2024, respectively:


	Three Months Ended
	March 31, 2025		March 31, 2024
	(in thousands of USD)
Cash paid for amounts included in the measurement of operating lease liabilities	$	1,240	$	2,503
Right-of-use assets obtained in exchange for operating lease liabilities	$	12,007	$	—

In March 2025, Line Digital Frontier entered into two lease agreements for office space. The leases commenced in March 2025, and expire in February 2030, with monthly payments of $0.1 million each, at a discount rate of 2.9%. Each of the two leases is recognized as a right-of-use asset in the amounts of $6.0 million and $6.0 million, respectively, as of March 31, 2025.

The Company subleases a portion of the operating lease right-of-use assets for buildings. Total other income generated from subleases is $0.1 million and $0.1 million for the three months ended March 31, 2025 and 2024, respectively, and is included within Other income (loss), net of the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss).

Prepaid Expenses and Other Assets, net - Schedule of Other Current Assets, net (Details) - USD ($)
$ in Thousands

Mar. 31, 2025

Dec. 31, 2024

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Advance payments, net

$ 43,252

$ 47,545

Term deposits

28,140

26,328

Prepaid expenses

15,919

14,008

Other current assets, net

9,093

6,902

Total other current assets, net

^[1]

$ 96,404

$ 94,783

[1]	Includes amounts due from related parties of $7,290 and $9,258 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)

Stock-Based Compensation - Summary of RSU and Phantom Unit activity (Details)	3 Months Ended
	Mar. 31, 2025 $ / shares shares
Restricted Stock Units
Number of Units [Roll Forward]
Beginning balance (shares) \| shares	2,635,775
Granted (shares) \| shares	2,989,740
Forfeited (shares) \| shares	(35,602)
Vested (shares) \| shares	(1,830,079)
Ending balance (shares) \| shares	3,759,834
Weighted Average Grant-Date Fair Value
Weighted Average Grant-Date Fair Value, Beginning balance (in usd per share) \| $ / shares	$ 22.00
Weighted Average Grant-Date Fair Value, Granted (in usd per share) \| $ / shares	9.07
Weighted Average Grant-Date Fair Value, Forfeited (in usd per share) \| $ / shares	18.34
Weighted Average Grant-Date Fair Value, Vested (in usd per share) \| $ / shares	15.35
Weighted Average Grant-Date Fair Value, Ending balance (in usd per share) \| $ / shares	$ 14.99
Phantom Units
Number of Units [Roll Forward]
Beginning balance (shares) \| shares	0
Granted (shares) \| shares	557,180
Forfeited (shares) \| shares	0
Vested (shares) \| shares	(207,033)
Ending balance (shares) \| shares	350,147
Weighted Average Grant-Date Fair Value
Weighted Average Grant-Date Fair Value, Beginning balance (in usd per share) \| $ / shares	$ 0
Weighted Average Grant-Date Fair Value, Granted (in usd per share) \| $ / shares	9.04
Weighted Average Grant-Date Fair Value, Forfeited (in usd per share) \| $ / shares	0
Weighted Average Grant-Date Fair Value, Vested (in usd per share) \| $ / shares	9.04
Weighted Average Grant-Date Fair Value, Ending balance (in usd per share) \| $ / shares	$ 9.04

Redeemable Non-Controlling Interest in Subsidiary

3 Months Ended

Mar. 31, 2025

Noncontrolling Interest [Abstract]

Redeemable Non-Controlling Interest in Subsidiary

The following table summarizes the activity related to the redeemable non-controlling interest in the subsidiary for the periods indicated below (in thousands of USD):


	2025		2024
Balance as of January 1	$	36,580	$	41,429
Comprehensive income attributable to redeemable non-controlling interest	204		96
Balance as of March 31	$	36,784	$	41,525

Disposition - Additional Information (Details) - Jakga Inc. - Stock Transfer Agreement - USD ($) $ in Millions		3 Months Ended
	Mar. 28, 2024	Mar. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest sold in subsidiaries (percent)	0.30%
Cash consideration received	$ 0.1
Ownership interest (percent)	49.20%
Discount rate (percent)	15.10%
Terminal growth rate (percent)	1.00%
Loss on disposition		$ 2.5
Loss on sale of assets and liabilities transferred and loss on remeasurement of retained interest	$ 2.1
Redeemable Convertible Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Temporary equity percentage of voting equity interest issued (percent)	3.50%
Webtoon Entertainment Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest (percent)	49.20%

Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) (Parenthetical) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2025

Mar. 31, 2024

Revenue

^[1]

$ 325,707

$ 326,744

Cost of revenue

^[2]

254,096

244,385

General and administrative expenses

^[3]

66,702

48,693

Other income (loss), net

^[4]

2,670

(1,437)

Related Parties

Revenue

17,713

13,287

Cost of revenue

28,131

8,954

Marketing expenses incurred (cost reimbursed)

(2,581)

(1,905)

General and administrative expenses

6,913

6,428

Other income (loss), net

$ 411

$ (206)

[1]	Includes amounts earned from related parties of $17,713 and $13,287 for the three months ended March 31, 2025, and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	Includes amounts incurred from related parties of $28,131 and $8,954 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[3]	Includes amounts incurred from related parties of $6,913 and $6,428 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions).
[4]	Includes amounts earned from related parties of $411 and $(206) for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

Revenue - Summary of Revenues Disaggregated by Stream (Details) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2025

Mar. 31, 2024

Disaggregation of Revenue [Line Items]

Total revenue

^[1]

$ 325,707

$ 326,744

Korea

Disaggregation of Revenue [Line Items]

Total revenue

117,741

126,800

Japan

Disaggregation of Revenue [Line Items]

Total revenue

164,258

154,427

Rest of World

Disaggregation of Revenue [Line Items]

Total revenue

43,708

45,517

Paid Content

Disaggregation of Revenue [Line Items]

Total revenue

260,226

266,855

Advertising

Disaggregation of Revenue [Line Items]

Total revenue

39,898

36,996

IP Adaptations

Disaggregation of Revenue [Line Items]

Total revenue

$ 25,583

$ 22,893

[1]	Includes amounts earned from related parties of $17,713 and $13,287 for the three months ended March 31, 2025, and March 31, 2024, respectively. (See Note 12. Related Party Transactions)

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

- Definition

+ References

+ Details

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Pay vs Performance Disclosure
Net Income (Loss) Attributable to Parent	$ (22,389)	$ 6,192

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483443/250-10-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476176/805-60-65-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Subparagraph (g)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478666/740-323-65-2

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147482765/220-10-50-6

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147480175/815-40-65-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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Reference 14: http://www.xbrl.org/2003/role/disclosureRef
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Reference 15: http://www.xbrl.org/2003/role/disclosureRef
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Reference 25: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Fair Value Measurements - Summary of Ranges of Significant Unobservable Inputs Used to Value Level 3 Assets (Details) - Level 3 $ in Thousands	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities	$ 50,850	$ 48,142
Debt Securities \| Redeemable Convertible Preferred Stock \| Option Pricing Model \| Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities	$ 50,850	$ 48,142
Debt Securities \| Redeemable Convertible Preferred Stock \| Option Pricing Model \| Discount Rate \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities measurement input	8.65	9.01
Debt Securities \| Redeemable Convertible Preferred Stock \| Option Pricing Model \| Discount Rate \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities measurement input	28.57	21.94
Debt Securities \| Redeemable Convertible Preferred Stock \| Option Pricing Model \| Volatility \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities measurement input	41.60	41.6
Debt Securities \| Redeemable Convertible Preferred Stock \| Option Pricing Model \| Volatility \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Debt securities measurement input	66.30	66.30
Equity Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities	$ 22,271	$ 22,034
Equity Securities \| Redeemable Convertible Preferred Stock \| Measurement Alternative
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities	15,000	15,000
Equity Securities \| Private Equity Securities \| Measurement Alternative
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities	51	51
Equity Securities \| Contribution Investment Fund \| Measurement Alternative
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities	492	506
Equity Securities \| Convertible Preferred Stock \| Option Pricing Model \| Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities	$ 5,728	$ 5,477
Equity Securities \| Convertible Preferred Stock \| Option Pricing Model \| Discount Rate \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities measurement input	3.00	3.00
Equity Securities \| Convertible Preferred Stock \| Option Pricing Model \| Discount Rate \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities measurement input	16.71	16.71
Equity Securities \| Convertible Preferred Stock \| Option Pricing Model \| Volatility \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities measurement input	41.68	44.96
Equity Securities \| Convertible Preferred Stock \| Option Pricing Model \| Volatility \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities measurement input	50.60	50.60
Equity Securities \| Convertible Preferred Stock \| Measurement Alternative \| Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Equity securities	$ 1,000	$ 1,000

Retirement Benefits - Schedule of Periodic Benefit Costs (Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Retirement Benefits [Abstract]
Current service costs	$ 1,190	$ 1,364
Interest expense	268	333
Actuarial gain	(884)	(2,524)
Net periodic benefit costs (income)	$ 574	$ (827)

Earnings (loss) per share

3 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Earnings (loss) per share

Basic earnings (loss) per share is computed using the weighted-average number of outstanding shares of common stock during the period, including vested restricted stock units ("RSUs"). Diluted earnings (loss) per share is computed using the weighted average number of outstanding shares of common stock and, potentially dilutive common shares outstanding during the period. Potentially dilutive common shares consist of incremental shares issuable upon the assumed exercise of stock options and vesting of unvested RSUs. For the three months ended March 31, 2025 and 2024, the Company's Korean subsidiaries and equity method investees each had outstanding stock options that will be settled in each respective subsidiary or equity method investee's common shares. The numerator of the Company's earnings (loss) per share include the Parent's proportionate share of the diluted earnings or loss per share impact of outstanding subsidiaries and equity method investees' stock options.

The following table sets forth the computation of basic and diluted earnings (loss) per share, as adjusted on a retrospective basis to reflect the Stock Split as discussed in Note 1. Description of Business and Summary of Significant Accounting Policies, for the three months ended March 31, 2025 and 2024, respectively, (in thousands of USD, except share and per share amounts):


	Three Months Ended
		March 31, 2025		March 31, 2024
Basic earnings (loss) per share:
Net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,389)	$	6,192
Add: allocation to subsidiary / equity method investee participating security1		(87)		123
Net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,476)	$	6,315
Shares used in computation:
Weighted-average common shares outstanding		129,598,942		109,505,160
Basic earnings (loss) per share:		$	(0.17)	$	0.06
Diluted earnings (loss) per share:
Net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,476)	$	6,315
Add: dilutive impact of subsidiary / equity method investee stock options		(3)		(1)
Diluted net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,479)	$	6,314
Shares used in computation:
Weighted-average common shares outstanding		129,598,942		109,505,160
Dilutive effect of stock options and unvested RSUs		—		59,340
Diluted weighted-average common shares outstanding		129,598,942		109,564,500
Diluted earnings (loss) per share		$	(0.17)	$	0.06

___________________________________________________________________________

1.Represents net income/(loss) allocable to Jakga Company Inc. ("Jakga") redeemable convertible preferred stock which is a participating security per ASC 260. Jakga became an equity method investee from a subsidiary when it was deconsolidated on March 28, 2024 (Refer to Note 13. Disposition for additional information for Jakga disposition).

The following potentially dilutive outstanding securities were excluded from the computation of diluted net earnings (loss) per share because their effect would have been anti-dilutive for the periods presented, or issuance of such shares is contingent upon the satisfaction of certain conditions which were not satisfied by the end of the period:


	Three Months Ended
		March 31, 2025	March 31, 2024
Stock options		10,824,760	10,835,819
Unvested RSUs		3,759,834	669,842
Subsidiary / equity method investee stock options		332,597	322,597
Total		14,917,191	11,828,258

Equity Method Investments - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Mar. 28, 2024
Schedule of Equity Method Investments [Line Items]
Purchase of equity method investments		$ 0	$ 5,478
Jakga Inc. \| Stock Transfer Agreement
Schedule of Equity Method Investments [Line Items]
Ownership interest (percent)				49.20%
CELSYS, Inc.
Schedule of Equity Method Investments [Line Items]
Reclassification of debt and equity securities to equity method investments	$ 18,300
Namooactors Entertainment
Schedule of Equity Method Investments [Line Items]
Equity method investments shares acquired (shares)	33,593
Ownership interest (percent)	20.00%		20.00%
Purchase of equity method investments	$ 4,600
STUDIO WHITE
Schedule of Equity Method Investments [Line Items]
Ownership interest (percent)	40.00%		40.00%
Purchase of equity method investments	$ 800

Revenue (Tables)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Summary of Revenue Disaggregation

The following table shows revenues disaggregated by revenue stream for the three months ended March 31, 2025, and March 31, 2024, respectively:


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Paid Content		$	260,226	$	266,855
Advertising		39,898		36,996
IP Adaptations		25,583		22,893
Total		$	325,707	$	326,744

The following table shows disaggregation of revenue by geography for the three months ended March 31, 2025 and 2024:


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Korea		$	117,741	$	126,800
Japan		164,258		154,427
Rest of World		43,708		45,517
Total		$	325,707	$	326,744

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2025
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Non-Controlling Interest in Subsidiaries - Schedule Of Balances Of Non-controlling Interest (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	$ 48,221	$ 47,754
Munpia
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	47,068	46,593
Bootcamp
Noncontrolling Interest [Line Items]
Non-controlling interests in consolidated subsidiaries	$ 1,153	$ 1,161

- Definition

Amount of equity (deficit) attributable to noncontrolling interest. Excludes temporary equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(31))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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+ Details

Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Contingencies The Company records a loss contingency, consistent with ASC 450, when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated. The Company also discloses material contingencies when it believes a loss is not probable but reasonably possible. Accounting for contingencies requires us to use judgment related to both the likelihood of a loss and the estimate of the amount or range of loss. Legal Proceedings The Company is involved in a number of claims pending with various courts, or otherwise unresolved as of March 31, 2025. Adverse results in these claims may include awards of damages and may also result in, or even compel a change in the Company’s business practices, which could materially impact the Company’s future financial results. The Company cannot determine the potential loss or a range of possible losses for cases in their initial stages or where there is an unclear and inconsistent interpretation of laws related to the industry-specific grievances across various jurisdictions. The outcome of pending lawsuits and claims cannot be anticipated with certainty and the timing and outcome of ongoing legal proceedings are uncertain by nature. Therefore, the resolution of one or more of these legal matters against the Company during the same reporting period in excess of management's projections could negatively impact the Company's Condensed Consolidated Financial Statements for that reporting period. Securities Litigation On September 5, 2024, a purported stockholder filed a putative class action lawsuit against the Company, its directors, and the underwriters of the IPO in the federal court for the Central District of California, purportedly on behalf of all purchasers of shares of the Company’s common stock pursuant or traceable to the IPO Prospectus and the Company’s Registration Statement on Form S-1(File No. 333-279863) relating to our IPO (the “Registration Statement”). The complaint alleges that the Registration Statement was materially false and misleading in violation of Sections 11 and 15 of the Securities Act of 1933. On October 10, 2024, the court ordered that the defendants are not required to answer or otherwise respond to the complaint, deferring any response until after the court rules on any motion by a purported class member to serve as lead plaintiff. On December 12, 2024, the court appointed a lead plaintiff and lead counsel. On February 3, 2025, the lead plaintiff filed an amended complaint, and on March 4, 2025, the Company, its directors, and the underwriters of the IPO moved to dismiss the amended complaint. On March 11, 2025, the lead plaintiff filed an opposition to this motion to dismiss, and on March 18, 2025, the Company, its directors, and the underwriters filed a reply in support of the motion to dismiss. The Company intends to defend this case vigorously. At this early stage of the proceedings, the Company cannot predict the ultimate outcome of the litigation nor estimate any range of possible losses. On November 15, 2024, a purported stockholder filed a shareholder derivative lawsuit against the Company’s directors, naming the Company as a nominal defendant, in the federal court for the Central District of California. The complaint focuses on the same allegations as the putative securities class action described above, including that the Company’s Registration Statement was materially false or misleading. The complaint includes claims for violations of Section 14 (a) of the Exchange Act, breach of fiduciary duties, and unjust enrichment, abuse of control, gross mismanagement, waste of corporate assets, and contribution under Section 11(f) of the Securities Act of 1933, and Section 31D of the Exchange Act of 1934. On January 13, 2025, by stipulation of the parties, the court ordered the shareholder derivative lawsuit stayed pending resolution of the Company’s motion to dismiss in the putative securities class action. At this early stage of the proceedings, the Company can neither predict the ultimate outcome of the litigation nor estimate any range of possible losses.

Description of Business and Summary of Significant Accounting Policies - Additional Information (Details)		3 Months Ended	12 Months Ended
	Jun. 26, 2024 $ / shares	Mar. 31, 2025 $ / shares	Dec. 31, 2024 $ / shares	Jun. 25, 2024 $ / shares	Mar. 27, 2024 subsidiary
Business Acquisition [Line Items]
Number of subsidiaries \| subsidiary					2
Stock split conversion ratio	30
Common stock par value (in usd per share) \| $ / shares	$ 0.0001	$ 0.0001	$ 0.0001	$ 0.01
Three Payment Gateways Companies \| Customer Concentration Risk \| Receivables
Business Acquisition [Line Items]
Concentration (percent)		57.00%	54.90%
Three Borrowers \| Customer Concentration Risk \| Loans Receivables
Business Acquisition [Line Items]
Concentration (percent)		88.60%	89.00%

Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation	$ 18,253	$ 2,596
Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 42,700
Unrecognized stock-based compensation expense, period for recognition	1 year 10 months 17 days
Phantom Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized stock-based compensation expense	$ 2,600
Unrecognized stock-based compensation expense, period for recognition	1 year 7 months 9 days
Stock-based compensation	$ 2,100

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 13: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Condensed Consolidated Statements of Stockholders' Equity and Group Equity (unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional paid-in capital	Accumulated other comprehensive loss	Accumulated deficit	Total stockholders' equity attributable to WEBTOON Entertainment Inc.	Non- controlling interests in consolidated subsidiaries
Beginning balance (in shares) at Dec. 31, 2023		109,505,150
Beginning Balance at Dec. 31, 2023	$ 1,306,047	$ 11	$ 1,667,246	$ (54,824)	$ (363,292)	$ 1,249,141	$ 56,906
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	6,136				6,192	6,192	(56)
Foreign currency translation adjustments, net of tax	(28,689)			(28,689)		(28,689)
Equity in income of equity method investees	(9)			(9)		(9)
Equity-based compensation	1,593		1,121			1,121	472
Changes in scope of consolidation	(3,861)						(3,861)
Ending balance (in shares) at Mar. 31, 2024		109,505,150
Ending Balance at Mar. 31, 2024	$ 1,281,217	$ 11	1,668,367	(83,522)	(357,100)	1,227,756	53,461
Beginning balance (in shares) at Dec. 31, 2024	128,587,944	128,587,944
Beginning Balance at Dec. 31, 2024	$ 1,519,881	$ 13	2,103,931	(124,620)	(507,197)	1,472,127	47,754
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	(22,156)				(22,389)	(22,389)	233
Foreign currency translation adjustments, net of tax	6,555			6,533		6,533	22
Equity in income of equity method investees	(143)			(143)		(143)
Equity-based compensation	(13,245)		(13,457)			(13,457)	212
Vesting of restricted stock units (in shares)		1,576,957
Vesting of restricted stock units	24,748		24,748			24,748
Exercise of stock options (in shares)		7,380
Exercise of stock options	$ 128		128			128
Ending balance (in shares) at Mar. 31, 2025	130,172,281	130,172,281
Ending Balance at Mar. 31, 2025	$ 1,515,768	$ 13	$ 2,115,350	$ (118,230)	$ (529,586)	$ 1,467,547	$ 48,221

Fair Value Measurements

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Fair Value Measurements

A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.

The table below presents the valuation techniques and the nature of significant inputs generally used in determining the fair value of Level 3 Instruments.


			Level 3 Instruments			Valuation Techniques and Significant Inputs
			Debt and Equity Securities
						Recent third-party investments or pending transactions are considered to be the best evidence for any change in fair value. When these are not available, the following valuation methodologies are used, as appropriate and available (i) Transactions in similar instruments; (ii) discounted cash flow techniques; (iii) third party appraisals; (iv) binomial option pricing models; and (v) industry multiples and public comparables.

						Evidence of value in investees includes recent or pending reorganizations (for example, merger proposals, tender offers and debt restructurings) and significant changes in financial metrics, including (i) current financial performance as compared to projected performance; (ii) capitalization rates and multiples; and (iii) market yields implied by transactions of similar or related assets.

Level 3 Instruments

Amount

Valuation Techniques

Significant
Unobservable Inputs

Range of
Significant
Unobservable Inputs

As of March 31, 2025

Debt Securities

Redeemable convertible preferred stock

50,850

Option pricing model

Discount rate

8.65%-28.57%

Volatility

41.60%-66.30%

Total

50,850

Equity Securities

Redeemable convertible preferred stock

15,000

Measurement alternative

Contribution to investment fund

492

Measurement alternative

Private equity securities

Measurement alternative

Convertible preferred stock

5,728

Option pricing model

Discount rate

3.00%-16.71%

Volatility

41.68%-50.60%

Simple Agreement For Future Equity (SAFE)

1,000

Measurement alternative

Total

22,271


As of December 31, 2024
Debt Securities
Redeemable convertible preferred stock	$	48,142	Option pricing model	Discount rate	9.01%-21.94%
				Volatility	41.6%-66.30%
Total	$	48,142
Equity Securities
Redeemable convertible preferred stock	$	15,000	Measurement alternative
Contribution to investment fund	506		Measurement alternative
Private equity securities	51		Measurement alternative
Convertible preferred stock	5,477		Option pricing model	Discount rate	3.00%-16.71%
				Volatility	44.96%-50.60%
Simple Agreement For Future Equity (SAFE)	1,000		Measurement alternative
Total	$	22,034

As noted above, either the binomial optional pricing model or market approach were used in the determination of fair value of Level 3 assets as of March 31, 2025 and December 31, 2024. The significant unobservable inputs used in the binomial option pricing model are the discount rate or market yield used to discount the estimated future cash flows expected to be received from the underlying investment, which include both future principal and interest payments. An increase in the discount rate or market yield would result in a decrease in the fair value. Included in the consideration and selection of discount rates or market yields is risk of default, rating of the investment, call provisions and comparable company investments. The significant unobservable inputs used in the market approach are based on market comparable transactions and market multiples of publicly traded comparable companies. Increases or decreases in market comparable transactions or market multiples would result in an increase or decrease in the fair value.


	Three Months Ended March 31, 2025
	Level 1		Level 3				Total
	Equity Securities		Equity Securities		Debt Securities		Debt & Equity Securities
Beginning balance, January 1	$	3	$	22,034	$	48,142	$	70,179
Purchases	-		-		3,790		3,790
Business disposition	-		-		-		-
Net unrealized gain (loss)	-		225		(1,169)		(944)
Sales and settlement	-		-		-		-
Reclassification	-		-		-		-
Currency translation differences	-		12		87		99
Ending balance, March 31	$	3	$	22,271	$	50,850	$	73,124


	Three Months Ended March 31, 2024
	Level 1		Level 3				Total
	Equity Securities		Equity Securities		Debt Securities		Debt & Equity Securities
Beginning balance, January 1	$	16,109	$	26,847	$	48,277	$	91,233
Purchases	-		-		-		-
Business disposition	-		(776)		6,522		5,746
Net unrealized gain (loss)	3,352		19		-		3,371
Sales and settlement	-		(4)		-		(4)
Reclassification	(18,701)		-		-		(18,701)
Currency translation differences	(757)		(398)		(2,148)		(3,303)
Ending balance, March 31	$	3	$	25,688	$	52,651	$	78,342

The Level 1 equity securities relate to investments in public equity securities that have readily determinable fair values.

The Level 3 equity securities relate to the Company's investments in privately held companies through the purchase of convertible preferred stock, private equity securities, contribution to investment fund and redeemable convertible preferred stock. For these equity securities, the Company does not have the ability to exercise significant influence on the investee, and therefore accounts for them as equity securities under ASC Topic 321, Investments in Equity Securities.

The Level 3 debt securities relate to the Company's investments in privately held companies through the purchase of redeemable convertible preferred stock that meet the definition of a debt security.

For the three months ended March 31, 2025 and 2024, the Company did not recognize any realized gain or loss on its Level 3 equity or debt securities.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 107
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-107

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Subparagraph (f)
-Publisher FASB
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Subparagraph (e)
-Publisher FASB
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 940
-SubTopic 820
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478119/940-820-50-1

+ Details

Condensed Consolidated Balance Sheets (unaudited) - USD ($)
$ in Thousands

Mar. 31, 2025

Dec. 31, 2024

Current assets:

Cash and cash equivalents

$ 550,136

$ 572,402

Receivables, net of allowance for credit losses of $3,774 and $3,418 at March 31, 2025 and December 31, 2024, respectively

^[1]

173,710

169,187

Prepaid expenses and other current assets, net

^[2]

96,404

94,783

Total current assets

820,250

836,372

Property and equipment, net

3,826

3,782

Operating lease right-of-use assets

26,973

16,649

Debt and equity securities

73,124

70,178

Intangible assets, net

177,575

180,912

Goodwill, net

669,254

665,275

Equity method investments

78,958

78,668

Deferred tax assets

17,390

17,592

Other non-current assets, net

^[3]

69,560

65,906

Total assets

1,936,910

1,935,334

Current liabilities:

Accounts payable

^[4]

132,582

127,306

Accrued expenses

^[5]

58,937

62,209

Current portion of operating lease liabilities

^[6]

8,007

6,053

Contract liabilities

85,696

85,860

Income tax payables - corporate tax

7,140

10,093

Consumption taxes payables

5,014

8,339

Provisions and defined pension benefits

11,954

11,133

Other current liabilities

2,917

2,231

Total current liabilities

312,247

313,224

Non-current liabilities:

Long-term operating lease liabilities

^[7]

19,805

11,187

Defined severance benefits

22,184

22,030

Deferred tax liabilities

28,680

30,271

Other non-current liabilities

1,442

2,161

Total liabilities

384,358

378,873

Commitments and Contingencies (Note 6)

Redeemable non-controlling interest in subsidiary

36,784

36,580

Stockholders' equity:

Common stock, $0.0001 par value (2,000,000,000 authorized, 130,172,281 shares and 128,587,944 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively)

Additional paid-in capital

2,115,350

2,103,931

Accumulated other comprehensive loss

(118,230)

(124,620)

Accumulated deficit

(529,586)

(507,197)

Total stockholders' equity attributable to WEBTOON Entertainment Inc.

1,467,547

1,472,127

Non-controlling interests in consolidated subsidiaries

48,221

47,754

Total equity

1,515,768

1,519,881

Total liabilities, redeemable non-controlling interest, and equity

$ 1,936,910

$ 1,935,334

[1]	Includes amounts due from related parties of $56,859 and $59,495 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	Includes amounts due from related parties of $7,290 and $9,258 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[3]	Includes amounts due from related parties of $32,325 and $32,072 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[4]	Includes amounts due to related parties of $16,935 and $17,173 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[5]	Includes amounts due to related parties of $7,750 and $5,562 as of March 31, 2025, and December 31, 2024, respectively.
[6]	6.Includes amounts due to related parties of $4,460 and $3,506 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)
[7]	Includes amounts due to related parties of $8,178 and $9,519 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)

Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

Schedule of Periodic Benefit Costs (Income)

The following table provides the components of net periodic benefit costs (income):


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Current service costs		$	1,190	$	1,364
Interest expense		268		333
Actuarial gain		(884)		(2,524)
Net periodic benefit costs (income)		$	574	$	(827)

Other Assets, net - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Schedule of Other Assets Net [Line Items]
Advance payments due to film production contracts, current	$ 33,000,000.0	$ 35,100,000
Advance payments charged to expense	400,000	200,000
Term deposit pledged	28,140,000	26,328,000
Advance payments due to film production contracts	13,500,000	8,500,000
Long-term advance payments charged to expense	6,800,000	6,900,000
Assets Pledged as Collateral
Schedule of Other Assets Net [Line Items]
Term deposit pledged	$ 8,400,000	$ 8,000,000.0

Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating activities:
Net Income (Loss)	$ (21,969)	$ 6,233
Adjustments to reconcile net loss to cash provided by operating activities:
Allowance for credit losses	443	660
Depreciation and amortization	8,437	9,035
Operating lease expense	1,985	2,794
Loss (gain) on foreign currency, net	(2,793)	2,601
Deferred tax expense	(1,143)	(1,012)
Loss (Gain) on debt and equity securities, net	930	(3,371)
Loss on equity method investments, net	569	1,052
Contingent consideration liability	0	(849)
Stock-based compensation	18,253	1,311
Other non-cash items	(795)	1,540
Changes in operating assets and liabilities
Changes in receivables	750	(11,716)
Changes in other assets	(2,250)	(5,634)
Changes in accounts payable	(2,801)	16,333
Changes in accrued expenses	(15,342)	(13,466)
Changes in contract liabilities	(1,450)	24,131
Changes in other liabilities	(700)	(3,291)
Changes in operating lease liabilities	(1,240)	(2,503)
Transfer of severance benefits	464	8
Net cash provided by (used in) operating activities	(18,652)	23,856
Investing activities:
Proceeds from maturities of short-term investments	3,446	1,129
Proceeds from sale of property and equipment	77	0
Purchases of property and equipment	(536)	(472)
Purchases of debt and equity securities	(3,789)	5
Payment made for short-term investments	(4,824)	(20,000)
Payment made for loan receivable	(207)	(98)
Purchases of intangible assets	(2,444)	(2,590)
Purchases of equity method investments	0	(5,478)
Disposal of businesses, net of cash disposed	0	(358)
Other investing activities	249	46
Net cash provided by (used in) investing activities	(8,028)	(27,816)
Financing activities:
Proceeds from stock option exercise	82	0
Repayments of short-term borrowings	0	(15)
Payment of contingent consideration related to business acquisition	0	(842)
Net cash provided by (used in) financing activities	82	(857)
Effect of exchange rate changes on cash and cash equivalents	4,332	(8,258)
Cash and cash equivalents:
Net increase (decrease) in cash and cash equivalents	(22,266)	(13,075)
Cash and cash equivalents at beginning of the year	572,402	231,745
Cash and cash equivalents at end of the year	550,136	218,670
Supplemental disclosure:
Income taxes paid	6,826	11,785
Reclassification of long-term advances to current	(28,973)	0
Increase in right-of-use assets recognized from new lease agreements	$ 12,007	$ 0

Leases - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended
Leases - Additional Information (Details) $ in Thousands	Mar. 31, 2025 USD ($) lease	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Lessee, Lease, Description [Line Items]
Number of lease arrangements entered into \| lease	2
Right-of-use asset	$ 26,973	$ 26,973		$ 16,649
Total other income generated from subleases		100	$ 100
Line Digital Frontier - Lease One
Lessee, Lease, Description [Line Items]
Monthly lease payment	$ 100	$ 100
Discount rate (percent)	2.90%	2.90%
Right-of-use asset	$ 6,000	$ 6,000
Line Digital Frontier - Lease Two
Lessee, Lease, Description [Line Items]
Monthly lease payment	$ 100	$ 100
Discount rate (percent)	2.90%	2.90%
Right-of-use asset	$ 6,000	$ 6,000

Redeemable Non-Controlling Interest in Subsidiary (Tables)

3 Months Ended

Mar. 31, 2025

Noncontrolling Interest [Abstract]

Summary of Redeemable Noncontrolling Interest in Subsidiary

The following table summarizes the activity related to the redeemable non-controlling interest in the subsidiary for the periods indicated below (in thousands of USD):


	2025		2024
Balance as of January 1	$	36,580	$	41,429
Comprehensive income attributable to redeemable non-controlling interest	204		96
Balance as of March 31	$	36,784	$	41,525

Earnings (loss) per share (Tables)

3 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Loss Per Share


	Three Months Ended
		March 31, 2025		March 31, 2024
Basic earnings (loss) per share:
Net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,389)	$	6,192
Add: allocation to subsidiary / equity method investee participating security1		(87)		123
Net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,476)	$	6,315
Shares used in computation:
Weighted-average common shares outstanding		129,598,942		109,505,160
Basic earnings (loss) per share:		$	(0.17)	$	0.06
Diluted earnings (loss) per share:
Net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,476)	$	6,315
Add: dilutive impact of subsidiary / equity method investee stock options		(3)		(1)
Diluted net income (loss) attributable to Webtoon Entertainment Inc.		$	(22,479)	$	6,314
Shares used in computation:
Weighted-average common shares outstanding		129,598,942		109,505,160
Dilutive effect of stock options and unvested RSUs		—		59,340
Diluted weighted-average common shares outstanding		129,598,942		109,564,500
Diluted earnings (loss) per share		$	(0.17)	$	0.06

___________________________________________________________________________

Schedule of Potentially Dilutive Outstanding Securities Were Excluded From The Computation of Diluted Net Loss Per Share


	Three Months Ended
		March 31, 2025	March 31, 2024
Stock options		10,824,760	10,835,819
Unvested RSUs		3,759,834	669,842
Subsidiary / equity method investee stock options		332,597	322,597
Total		14,917,191	11,828,258

Segment and Geographic Information

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Segment and Geographic Information

Segment Information

The Company operates as one reportable segment, which derives its revenue from paid content, advertising, and IP adaptations revenue streams. Our chief operating decision maker (“CODM”) is the Chief Executive Officer. The CODM reviews financial information presented on a consolidated basis for the purposes of allocating resources and evaluating financial performance. The CODM manages the Company as a consolidated ecosystem because the revenue streams are interrelated, and resources are shared.

The CODM uses net income (loss) as reported in our Consolidated Statements of Operations and Comprehensive Loss to assess performance and allocate resources such as employees and capital expenditures. Additionally, the net income (loss) is used to monitor trends in year-over-year or quarter-over-quarter performance comparisons and to compare actual results to forecasts.

The CODM receives and reviews expenses included in segment operating performance regularly. However, the CODM reviews general and administrative expenses on a more disaggregated basis to ensure the resources are in line with its business and operating needs.

The measure of segment revenue and assets are reported on the Consolidated Statements of Operations and Comprehensive Loss as total sales and the Consolidated Balance Sheets as total assets, respectively.

All intercompany and intra-entity transactions and balances have been eliminated.

The following table presents reportable segment profit and loss, including significant expense categories, attributable to the Company's reportable segment for the periods presented:


	Three Months Ended
	March 31, 2025		March 31, 2024
	(in thousands of USD)
Revenue	$	325,707	$	326,744

Cost of revenue	254,096		244,385
Marketing	31,543		19,478
General and administrative expenses - labor related	23,373		19,991
General and administrative expenses - non-labor related	43,329		28,702
Interest income	(5,113)		(1,235)
Interest expense	2		33
Loss on equity method investment, net	569		1,052

Other loss (income), net	(2,670)		1,437
Income tax expense	2,547		6,668
Net Income (Loss)	$	(21,969)	$	6,233

The following non-cash expense items are also included in the measure of segment profit or loss reviewed by the CODM:
Stock-based compensation	$	18,253	$	1,311
Depreciation and amortization	$	8,437	$	9,035

Geographic Information

Refer to Note 2. Revenue for revenues by location. The Company’s long-lived tangible assets as well as the Company’s operating lease right-of-use assets recognized on the Consolidated Balance Sheets, are located as follows for the three months ended March 31, 2025 and December 31, 2024:


	As of
	March 31, 2025		December 31, 2024

	(in thousands of USD)
Korea	$	16,344	$	17,465
Japan	12,055		182

Rest of World	2,400		2,784
Total long-lived tangible assets and operating lease right-of-use assets	$	30,799	$	20,431

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

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-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

+ Details

Retirement Benefits

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

Retirement Benefits

Defined severance benefits

The following table provides the components of net periodic benefit costs (income):


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Current service costs		$	1,190	$	1,364
Interest expense		268		333
Actuarial gain		(884)		(2,524)
Net periodic benefit costs (income)		$	574	$	(827)

Defined severance contribution

Defined severance expense was $0.5 million and $1.2 million for the three months ended March 31, 2025 and 2024, respectively.

- Definition

The entire disclosure for retirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480482/715-20-55-17

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (l)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/715/tableOfContent

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)(iii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (o)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (p)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (r)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 12: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (r)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

Reference 13: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480126/715-20-S99-2

Reference 14: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480266/715-60-50-3

+ Details

Condensed Consolidated Statements of Operations and Comprehensive Loss (unaudited) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2025

Mar. 31, 2024

Income Statement [Abstract]

Revenue

^[1]

$ 325,707

$ 326,744

Cost of revenue

^[2]

(254,096)

(244,385)

Marketing

^[3]

(31,543)

(19,478)

General and administrative expenses

^[4]

(66,702)

(48,693)

Operating income (loss)

(26,634)

14,188

Interest income

5,113

1,235

Interest expense

(2)

(33)

Income (loss) on equity method investments, net

(569)

(1,052)

Other income (loss), net

^[5]

2,670

(1,437)

Income (loss) before income tax

(19,422)

12,901

Income tax expense

(2,547)

(6,668)

Net income (loss)

(21,969)

6,233

Net income (loss) attributable to WEBTOON Entertainment Inc.

(22,389)

6,192

Net income (loss) attributable to non-controlling interests and redeemable non-controlling interests

420

Other comprehensive income (loss):

Foreign currency translation adjustments, net of tax

6,572

(28,689)

Share of other comprehensive loss of equity method investments, net of tax

(143)

(9)

Total other comprehensive income (loss), net of tax

6,429

(28,698)

Total comprehensive income (loss)

(15,540)

(22,465)

Total comprehensive income (loss) attributable to WEBTOON Entertainment Inc.

(15,999)

(22,506)

Total comprehensive income (loss) attributable to non-controlling interests and redeemable non-controlling interests

$ 459

$ 41

Weighted average shares outstanding

Basic (shares)

129,598,942

109,505,160

Diluted (shares)

129,598,942

109,564,500

Income (loss) per share attributable to WEBTOON Entertainment Inc.

Basic (in usd per share)

$ (0.17)

$ 0.06

Diluted (in usd per share)

$ (0.17)

$ 0.06

[1]	Includes amounts earned from related parties of $17,713 and $13,287 for the three months ended March 31, 2025, and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	Includes amounts incurred from related parties of $28,131 and $8,954 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[3]	Includes amounts incurred from related parties of $(2,581) and $(1,905) for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[4]	Includes amounts incurred from related parties of $6,913 and $6,428 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions).
[5]	Includes amounts earned from related parties of $411 and $(206) for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)

Other Assets, net - Schedule of Other Non-Current Assets, net (Details) - USD ($)
$ in Thousands

Mar. 31, 2025

Dec. 31, 2024

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Advance payments, net

$ 31,286

$ 29,222

Long-term loans, net

30,749

31,859

Other non-current assets, net

7,525

4,825

Total other non-current assets, net

^[1]

$ 69,560

$ 65,906

[1]	Includes amounts due from related parties of $32,325 and $32,072 as of March 31, 2025, and December 31, 2024, respectively. (See Note 12. Related Party Transactions)

Retirement Benefits - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Retirement Benefits [Abstract]
Defined severance expense	$ 0.5	$ 1.2

Fair Value Measurements - Summary of Changes in Fair Value of Level 1 and Level 3 Assets Included Debt and Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 70,179	$ 91,233
Purchases	3,790	0
Business disposition	0	5,746
Net unrealized gain (loss)	(944)	3,371
Sales and settlement	0	(4)
Reclassification	0	(18,701)
Currency translation differences	99	(3,303)
Ending balance	73,124	78,342
Level 1 \| Equity Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	3	16,109
Purchases	0	0
Business disposition	0	0
Net unrealized gain (loss)	0	3,352
Sales and settlement	0	0
Reclassification	0	(18,701)
Currency translation differences	0	(757)
Ending balance	3	3
Level 3 \| Equity Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	22,034	26,847
Purchases	0	0
Business disposition	0	(776)
Net unrealized gain (loss)	225	19
Sales and settlement	0	(4)
Reclassification	0	0
Currency translation differences	12	(398)
Ending balance	22,271	25,688
Level 3 \| Debt Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	48,142	48,277
Purchases	3,790	0
Business disposition	0	6,522
Net unrealized gain (loss)	(1,169)	0
Sales and settlement	0	0
Reclassification	0	0
Currency translation differences	87	(2,148)
Ending balance	$ 50,850	$ 52,651

Segment and Geographic Information - Reconciliation of Profit (Loss) from Segments to Consolidated (Details)
$ in Thousands

3 Months Ended

Mar. 31, 2025

USD ($)

segment

Mar. 31, 2024

USD ($)

Segment Reporting [Abstract]

Number of reportable segments | segment

Revenues from External Customers and Long-Lived Assets [Line Items]

Revenue

^[1]

$ 325,707

$ 326,744

Less:

Cost of revenue

^[2]

254,096

244,385

Marketing

^[3]

31,543

19,478

Interest income

(5,113)

(1,235)

Interest expense

Loss on equity method investment, net

569

1,052

Other loss (income), net

^[4]

(2,670)

1,437

Income tax expense

2,547

6,668

Net income (loss)

(21,969)

6,233

Stock-based compensation

18,253

2,596

Depreciation and amortization

8,437

9,035

Reportable Segment

Revenues from External Customers and Long-Lived Assets [Line Items]

Revenue

325,707

326,744

Less:

Cost of revenue

254,096

244,385

Marketing

31,543

19,478

General and administrative expenses - labor related

23,373

19,991

General and administrative expenses - non-labor related

43,329

28,702

Interest income

(5,113)

(1,235)

Interest expense

Loss on equity method investment, net

569

1,052

Other loss (income), net

(2,670)

1,437

Income tax expense

2,547

6,668

Net income (loss)

(21,969)

6,233

Stock-based compensation

18,253

1,311

Depreciation and amortization

$ 8,437

$ 9,035

[1]	Includes amounts earned from related parties of $17,713 and $13,287 for the three months ended March 31, 2025, and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[2]	Includes amounts incurred from related parties of $28,131 and $8,954 for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[3]	Includes amounts incurred from related parties of $(2,581) and $(1,905) for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)
[4]	Includes amounts earned from related parties of $411 and $(206) for the three months ended March 31, 2025 and March 31, 2024, respectively. (See Note 12. Related Party Transactions)

Disposition - Schedule of Accounted for Transaction (Details) - USD ($) $ in Thousands	Mar. 28, 2024	Mar. 31, 2025	Dec. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Carrying value of non-controlling interest in Jakga held by other than the Company		$ 48,221	$ 47,754
Jakga Inc. \| Stock Transfer Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration received	$ 149
Carrying value of non-controlling interest in Jakga held by other than the Company	3,861
Carrying amount of net assets of Jakga including goodwill, identified intangibles and deferred tax liabilities	(15,998)
Loss on disposal of Jakga	(2,481)
Jakga Inc. \| Stock Transfer Agreement \| Common Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fair value of retained common stock of Jakga by the Company	3,075
Jakga Inc. \| Stock Transfer Agreement \| Redeemable Convertible Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fair value of retained redeemable convertible preferred stock of Jakga by the Company	$ 6,432

Description of Business and Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2025
Accounting Policies [Abstract]
Description of Business and Summary of Significant Accounting Policies	Description of Business and Summary of Significant Accounting Policies Organization and Description of Business WEBTOON Entertainment Inc. (the "Parent"), together with its subsidiaries, (the "Company", "we", “us” or “our”), is a majority-owned subsidiary of NAVER Corporation (“NAVER”), who is a leading online and web-comic platform service company. We provide hosting services for compact web-comics through both web and mobile applications and offer thousands of titles with episodes that are updated on a daily basis. We offer extensive and diverse genres of content, including fantasy, romance, and science fiction, on our platform. Platform refers to the various offerings through which we engage with users across diverse geographical markets including Korea, the United States, Japan, Southeast Asia, and Europe. On March 27, 2024, the Company’s board of directors approved a merger between Line Digital Frontier Corporation (“LDF”) and eBOOK Initiative Japan Co., Ltd. ("eBIJ"), to integrate the Company's two wholly owned subsidiaries’ business and operations, with LDF as the surviving company (the “LDF-eBIJ Merger”). The effective date of the LDF-eBIJ Merger was September 1, 2024 and eBIJ was dissolved through an absorption-type merger under the applicable corporate laws in Japan. Basis of Presentation The unaudited condensed consolidated interim financial information reflects all normal recurring adjustments that are, in the opinion of management, necessary for fair statement of the results of the interim period. Certain information and note disclosures normally included in the annual consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted pursuant to such rules and regulations. The unaudited Condensed Consolidated Financial Statements should be read in conjunction with the audited consolidated financial statements as of and for the year ended December 31, 2024, included in the Company's Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on March 11, 2025. Interim results are not necessarily indicative of the results for a full year. Reclassifications Certain amounts reported for prior years have been reclassified to conform to the current year's presentation. Concentrations of Credit Risk Cash and cash equivalents, receivables and loan receivables are potentially subject to concentration of credit risk. Cash and cash equivalents are placed with several financial institutions that management believes are of high credit quality. The Company’s receivable include amounts concentrated with three payment gateway companies representing 57.0% and 54.9% of the total receivables balance as of March 31, 2025 and December 31, 2024, respectively.Three borrowers represent 88.6% and 89.0% of the total loan receivables balance as of March 31, 2025 and December 31, 2024, respectively. Forward Stock Split, Change in Par Value On June 26, 2024, the Company filed an Amended and Restated Certificate of Incorporation (the “Amended Charter'') which effectuated a 30-for-1 forward stock split of its common stock and adjusted the par value of its common stock from $0.01 to $0.0001 on such date. Accordingly, all share and per share amounts presented in the Condensed Consolidated Financial Statements have been retroactively adjusted to reflect the stock split and change in par value for all periods presented. Phantom Units During the three months ended March 31, 2025, the Company granted awards in the form of "Phantom Units", which provide recipients with the right to receive cash payments, less applicable withholding, equivalent to the fair market value of one share of the Company's common stock on the applicable vesting date, multiplied by the number of Phantom Units that vest. While these Phantom Units do not confer ownership rights, they are also entitled to dividends, if declared, equivalent in an amount in cash and form equal to the dividend that would have been paid on the shares underlying the Phantom Unit had such shares been outstanding on such record date. Any such dividend equivalents shall be subject to the same vesting conditions applicable to the underlying Phantom Unit with respect to which they accrue. Phantom Units are recorded as an expense based on the fair value of the units on the balance sheet date. The fair value of these awards is updated at each balance sheet date and changes in the fair value of the vested portions of the awards are recorded as increases or decreases to compensation expense in the Consolidated Statements of Income. All of the outstanding Phantom Units at March 31, 2025, met the criteria to be treated under liability classification in accordance with ASC 718, given that these awards will settle in cash on the vesting date. See Note 7. Stock-Based Compensation for more information on the Company's Phantom Units.

Non-Controlling Interest in Subsidiaries

3 Months Ended

Mar. 31, 2025

Noncontrolling Interest [Abstract]

Non-Controlling Interest in Subsidiaries

The Company has non-controlling interests in several of its subsidiaries. The balances of non-controlling interest as of March 31, 2025 and December 31, 2024 are as follows (in thousands of USD):


	As of
	March 31, 2025		December 31, 2024
Munpia	$	47,068	$	46,593

Bootcamp	1,153		1,161
Total	$	48,221	$	47,754

___________________________________________________________________________

1.The Munpia non-controlling interest balance excludes redeemable non-controlling interest (See Note 15. Redeemable Non-Controlling Interest in Subsidiary for detail).

2.The portion of net assets in Bootcamp attributable to the LP represents a non-controlling interest (See Note 12. Related Party Transactions for detail).

Stock-Based Compensation

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Restricted Stock Units

The table below summarizes the Company’s RSU activity for the three months ended March 31, 2025:


	Number of RSUs	Weighted Average Grant-Date Fair Value
Balance as of January 1, 2025	2,635,775	$	22.00
Granted	2,989,740	9.07
Forfeited	(35,602)	18.34
Vested	(1,830,079)	15.35
Balance as of March 31, 2025	3,759,834	$	14.99

The following table presents the effects of all stock-based compensation in the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss):


	Three Months Ended
		March 31, 2025		March 31, 2024
	(in thousands of USD)
Cost of revenue		$	4,780	$	293
Marketing		836		115
General and administrative expenses		12,637		2,188
Total		$	18,253	$	2,596

The following table summarizes the Company's Phantom Unit activity for the three months ended March 31, 2025:


	Number of Phantom Units	Weighted Average Grant-Date Fair Value
Balance as of January 1, 2025	—	$	—
Granted	557,180	9.04
Forfeited	—	—
Vested	(207,033)	9.04
Balance as of March 31, 2025	350,147	$	9.04

As of March 31, 2025, the Company recognized stock-based compensation expense related to the Phantom Units of $2.1 million. Compensation expense for the Phantom Units is based on the fair value of the units as of the balance sheet date, as further discussed in Note 1. Description of Business and Summary of Significant Accounting Policies, and such costs are recognized ratably over the service period of the awards. As the fair value of liability awards is required to be re-measured each period end, stock compensation expense amounts recognized in future periods for these awards will vary. The estimated future cash payments of these awards are presented within accrued expenses on the Company's Consolidated Balance Sheet. The total unrecognized compensation expense related to unvested Phantom Units is $2.6 million and is expected to be recognized over the remaining weighted-average service period of 1.61 years using the straight-line method, net of estimated forfeitures.

Equity Method Investments	3 Months Ended
Equity Method Investments	Mar. 31, 2025
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	Equity Method Investments The Company accounts for investments using the equity method when the Company can exercise significant influence over operating and financial policies, but does not hold a controlling interest in the investee. Due to the Jakga Transactions entered by the Company on March 28, 2024, the Company's voting equity interest in Jakga reduced to 49.2%, and the Company no longer held a controlling financial interest. The Company deconsolidated Jakga and recognized the retained common stock of Jakga as an equity method investment (see additional details in Note 13. Disposition). In March 2024, the Company began to exercise significant influence over CELSYS, Inc. ("CELSYS") due to its appointment of a director to CELSYS's board of directors. Accordingly, it reclassified its $18.3 million investment in shares of common stock of CELSYS from equity securities to an equity method investment. In March 2024, the Company acquired 33,593 shares of common stock of Namooactors Entertainment ("Namooactors"), which represents 20.0% voting interest, for $4.6 million in cash. The Company accounted for the investment in Namooactors using the equity method. In March 2024, the Company invested in STUDIO WHITE Limited Liability Partnership ("STUDIO WHITE"), which represents 40.0% partnership interest, for $0.8 million in cash. The Company accounted for the investment in STUDIO WHITE using the equity method. There were no equity method acquisitions or disposals during the three months ended March 31, 2025.

Leases - Schedule of Supplemental Cash Flow Information Related to Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 1,240	$ 2,503
Right-of-use assets obtained in exchange for operating lease liabilities	$ 12,007	$ 0