v3.26.1
Document And Entity Information - USD ($)
 12 Months Ended
Mar. 31, 2026
Jun. 29, 2026
Sep. 30, 2025
Document Information Line Items      
Entity Central Index Key 0001094032    
Document Type 10-K    
Document Annual Report true    
Current Fiscal Year End Date --03-31    
Document Period End Date Mar. 31, 2026    
Document Fiscal Year Focus 2026    
Document Transition Report false    
Entity File Number 000-27251    
Entity Registrant Name QDM International Inc.    
Entity Incorporation, State or Country Code FL    
Entity Tax Identification Number 59-3564984    
Entity Address, Address Line One Room 1030B    
Entity Address, Address Line Two 10/F, Ocean Centre, Harbour City 5 Canton Road    
Entity Address, City or Town Tsim Sha Tsui    
Entity Address, Country HK    
Entity Address, Postal Zip Code 000000    
City Area Code + 852    
Local Phone Number 34886893    
Title of 12(g) Security Common Stock, par value $0.0001    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 474,500,490
Entity Common Stock, Shares Outstanding   8,636,186  
Auditor Firm ID 6413    
Auditor Opinion [Text Block]

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of and its subsidiaries (the “Company”) as of March 31, 2026 and 2025, and the related consolidated statements of operations and comprehensive income, stockholders’ equity (deficit), and cash flows for each of the years in the two-year period ended March 31, 2026, and the related notes (collectively referred to as the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of March 31, 2026 and 2025, and the results of its operations and its cash flows for each of the years in the two-year period ended March 31, 2026, in conformity with accounting principles generally accepted in the United States of America.

    
Auditor Name ZH CPA, LLC    
Auditor Location Denver, Colorado    
Amendment Flag false    
Document Fiscal Period Focus FY