Document and Entity Information Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock [Member] Common Stock Common Class A [Member] Class A ordinary shares Common Class B [Member] Class B ordinary shares Common Class C [Member] Class C ordinary shares ADR [Member] ADR Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Business Contact Document Information [Line Items] Document and Entity Information Document Type Document Registration Statement Document Annual Report Document Period End Date Document Transition Report Document Shell Company Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code Contact Personnel Name Country Region City Area Code Local Phone Number Contact Personnel Fax Number Title of 12(b) Security Trading Symbol No Trading Symbol Flag Security Exchange Name Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Document Accounting Standard Entity Shell Company Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Auditor Name Auditor Firm ID Auditor Location CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Short-Term Investments Total Short-term investments Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net Accounts receivable, net Accounts receivable, net Due from Related Parties, Current Receivables due from related parties Amount due from inter-company entities Prepaid Expense and Other Assets, Current Prepayments and other current assets Total Prepayments and other current assets Assets, Current Total current assets Assets, Noncurrent [Abstract] Non-current assets: Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Property and equipment, net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Intangible assets, net Long-Term Investments Ending balance Beginning balance Long-term investments Long-term investments, net Operating Lease, Right-of-Use Asset Operating lease right-of-use asset Operating lease right-of-use assets, net Assets, Noncurrent Total non-current assets Assets Total assets Liabilities [Abstract] Liabilities Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accounts payable (including amounts of the consolidated variable interest entity ("VIE") and its subsidiaries without recourse to the primary beneficiary of RMB 59.84 million and RMB 46.69 million as of December 31, 2024 and 2025, respectively) Employee-related Liabilities, Current Salary and welfare payables Salary and welfare payables (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 19.22 million and RMB 13.96 million as of December 31, 2024 and 2025, respectively) Taxes Payable, Current Taxes payable Total Taxes payable (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB Nil and RMB 0.66 million as of December 31, 2024 and 2025, respectively) Contract with Customer, Liability, Current Deferred revenue (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 19.30 million and RMB 39.90 million as of December 31, 2024 and 2025, respectively) Deferred revenue Other Liabilities, Current Amounts due to inter-company entities Amounts due to related parties (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 0.79 million and RMB 2.01 million as of December 31, 2024 and 2025, respectively) Accrued Liabilities and Other Liabilities Accrued liabilities and other payables (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 11.15 million and RMB 8.39 million as of December 31, 2024 and 2025, respectively) Total Accrued liabilities and other payables Short-Term Bank Loans and Notes Payable Short-term bank loan Short-term bank loan (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 4.00 million and RMB 13.95 million as of December 31, 2024 and 2025, respectively) Operating Lease, Liability, Current Operating lease liabilities-current Operating lease liabilities Operating lease liabilities (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 7.86 million and RMB 8.08 million as of December 31, 2024 and 2025, respectively) Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Non-current liabilities: Operating Lease, Liability, Noncurrent Operating lease liabilities-non-current Operating lease liabilities (including amounts of the consolidated VIE and its subsidiaries without recourse to the primary beneficiary of RMB 11.74 million and RMB 11.43 million as of December 31, 2024 and 2025, respectively) Operating lease liabilities non-current Liabilities, Noncurrent Total non-current liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and Contingencies (Note 19) Commitments and Contingencies (Note 19) Equity, Attributable to Parent [Abstract] Shareholders' equity Shareholders' equity Common Stock, Value, Issued Ordinary shares Ordinary shares Additional Paid in Capital Additional paid-in capital Treasury Stock, Value Treasury stock (US$ 0.0001 par value; 3,176,411 shares and 2,601,411 shares as of December 31, 2024 and 2025, respectively) Treasury stock (US$ 0.0001 par value; 3,176,411 shares and 2,601,411 shares as of December 31, 2024 and 2025, respectively) Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Equity, Attributable to Parent Total 36Kr Holdings Inc.'s shareholders' equity Equity, Attributable to Noncontrolling Interest Non-controlling interests Equity, Including Portion Attributable to Noncontrolling Interest Balance, end of the year Balance, beginning of the year Total shareholders' equity Liabilities and Equity Total liabilities and shareholders' equity Consolidated Entities [Axis] Consolidated Entities [Domain] Variable Interest Entity, Primary Beneficiary [Member] VIEs Common Stock, Par or Stated Value Per Share Ordinary shares, par value (in US dollar per share) Par value (in US dollar per share) Common Stock, Shares Authorized Ordinary shares, shares authorized (in shares) Common Stock, Shares, Issued Ordinary shares, shares issued (in shares) Common Stock, Shares, Outstanding Ordinary shares, shares outstanding (in shares) Treasury Stock, Common, Shares Treasury Stock, Shares, Ending Balance (in shares) Treasury Stock, Shares, Beginning Balance (in shares) Treasury stock (in shares) CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/ (LOSS) Product and Service [Axis] Product and Service [Domain] Advertising [Member] Advertising Online advertising services This member stands for Enterprise value-added services. Enterprise value-added services Enterprise value-added services This member stands for Subscription services. Subscription services Subscription services Represents the information pertaining to American Depository Shares (ADS). ADS ADS Revenues [Abstract] Revenues: Revenue Revenue from Contract with Customer, Excluding Assessed Tax Total revenues Revenues Cost of Revenue Cost of revenues Gross Profit Gross profit Operating Expenses [Abstract] Operating expenses: Selling and Marketing Expense Sales and marketing expenses General and Administrative Expense General and administrative expenses Research and Development Expense Research and development expenses Operating Expenses Total operating expenses Total operating expenses Operating expenses Operating Income (Loss) Loss from operations Loss from operations Nonoperating Income (Expense) [Abstract] Other income/(expenses): Income (Loss) from Equity Method Investments Share of loss from equity method investments Share of loss from equity method investments Income (loss) from equity method investments Gain (Loss) on Disposition of Stock in Subsidiary Disposal gain on subsidiaries Gain on disposal of subsidiaries Amount of long term investments income. Long Term Investments Income Long-term investment loss/(income), net Long-term investment (loss)/income, net Investment Income, Net Short-term investment income The amount of income from government grants. Income from Government Grants Government grant Other Nonoperating Income (Expense) Others, net Others, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest (Loss)/income before income tax Income Tax Expense (Benefit) Income tax credit/(expenses) Income tax credit/(expense) Total Income tax expenses Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (loss)/income Net (loss)/income Net (loss)/income attributable to 36Kr Holdings Inc. Net Income (Loss) Attributable to Noncontrolling Interest Net (income)/loss attributable to non-controlling interests Net (income)/loss attributable to non-controlling interests Net income (loss) attributable to non-controlling interests Net Income (Loss) Available to Common Stockholders before undistributed earnings to preference shareholders Basic, Total Net Income Loss Available To Common Stockholders Before Undistributed Earnings Basic Net (loss)/income attributable to 36Kr Holdings Inc.'s ordinary shareholders Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments Total foreign currency translation adjustments Other Comprehensive Income (Loss), Net of Tax Total other comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive (loss)/income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (income)/loss attributable to non-controlling interests Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, available to common shareholders. Comprehensive Income (Loss) Available to Common Stockholders, Basic Comprehensive (loss)/income attributable to 36Kr Holdings Inc.'s ordinary shareholders Basic and Diluted Net Income/(Loss) Per Share Net (loss)/income per ordinary share (RMB) Earnings Per Share, Basic -Basic (in dollars per share) Net income/(loss) per ordinary share: - basic Earnings Per Share, Diluted Net (loss)/income per ordinary share - diluted -Diluted (in dollars per share) Earnings Per Share, Basic, Other Disclosure [Abstract] Net income/(loss) per ordinary share-basic: Denominator: Weighted average number of ordinary shares used in per share calculation: Weighted Average Number of Shares Outstanding, Basic -Basic (in shares) Denominator used in computing net (loss)/income per share - basic Weighted Average Number of Shares Outstanding, Diluted Denominator used in computing net (loss)/income per share - diluted -Diluted (in shares) CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Additional Paid-in Capital [Member] Additional paidin capital Treasury Stock, Common [Member] Treasury stock Retained Earnings [Member] Accumulated deficit AOCI Attributable to Parent [Member] Accumulated other comprehensive income/(loss) Noncontrolling Interest [Member] Non- controlling interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Balance, end of the year (in shares) Balance, beginning of the year (in shares) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Share-based compensation Equity impact of the value of new stock issued during the period, on redesignation of shares. Stock Issued During Period, Value, Redesignation Of Shares Redesignate Class B to Class C ordinary shares Number of new stock issued during the period, on redesignation of shares. Stock Issued During Period, Shares, Redesignation Of Shares Redesignate Class B to Class C ordinary shares (in shares) Amount of increase in non-controlling interests resulting from capital injections. Capital Injection From Non-controlling Interests Capital injection from non-controlling interests Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation adjustment Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Issuance of ordinary shares upon exercise of share-based awards Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Issuance of ordinary shares upon exercise of share-based awards (in shares) Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Acquisition of non-controlling interests of a subsidiary Amount of increase and decrease in noncontrolling interest from sale of subsidiaries a portion of the parent's controlling interest. Noncontrolling Interest, Increase Decrease from Sale of subsidiaries Sale of subsidiaries' shares to non-controlling shareholders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Purchase of subsidiary's shares from a non-controlling shareholders CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net cash provided/(used in) by operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income/(loss) to net cash used in operating activities: Depreciation Depreciation expense Depreciation of property and equipment Amortization of Intangible Assets Amortization of intangible assets Share-Based Payment Arrangement, Noncash Expense Share-based compensation expenses/(gain) Amount of non-cash operating lease cost. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Non-cash operating lease expense Non-cash operating lease expense Amount of allowance for doubtful accounts. Allowance for Doubtful Accounts Allowance for credit losses Gain (Loss) on Disposition of Property Plant Equipment Losses from disposal of property, equipment and software Gain (Loss), Foreign Currency Transaction, before Tax Exchange losses/(gains) Unrealized Gain (Loss) on Investments Fair value changes of short-term investments Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Due from Related Parties, Current Receivables due from related parties Increase (Decrease) in Prepaid Expense and Other Assets Prepayments and other current assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Employee Related Liabilities Salary and welfare payables Increase (Decrease) in Income Taxes Payable Taxes payable Increase (Decrease) in Contract with Customer, Liability Deferred revenue Increase (Decrease) in Due to Related Parties Amounts due to related parties Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued liabilities and other payables Amount of increase (decrease) in operating lease liability. Increase Decrease In Lease Liability Lease liabilities Net Cash Provided by (Used in) Operating Activities Net cash (used in)/provided by operating activities Net cash used in operating activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Net cash provided/(used in) by investing activities Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Proceeds from Sale of Property, Plant, and Equipment Disposal of property and equipment Payments to Acquire Intangible Assets Purchase of intangible assets