v3.26.3
Cover - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Oct. 13, 2026
Dec. 31, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Amendment Flag false    
Document Period End Date Jun. 30, 2026    
Document Fiscal Year Focus 2026    
Document Fiscal Period Focus FY    
Entity Registrant Name Treasure Global Inc    
Entity Central Index Key 0001905956    
Entity File Number 001-41476    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 36-4965082    
Current Fiscal Year End Date --06-30    
Entity Address, Address Line One 276 5th Avenue    
Entity Address, Address Line Two Suite 704 #739    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10001    
City Area Code +6012    
Local Phone Number 643 7688    
Title of 12(b) Security Common Stock, par value $0.00001 per share    
Trading Symbol TGL    
Security Exchange Name NASDAQ    
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 true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 10.1
Entity Common Stock, Shares Outstanding   5,159,897