v3.26.3
Document And Entity Information - USD ($)
12 Months Ended
Jun. 30, 2026
Sep. 25, 2026
Dec. 31, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Entity Interactive Data Current Yes    
Amendment Flag false    
Entity Registrant Name FreeCast, Inc.    
Entity Central Index Key 0001633369    
Document Period End Date Jun. 30, 2026    
Document Fiscal Year Focus 2026    
Document Fiscal Period Focus FY    
Entity Tax Identification Number 45-2787251    
Current Fiscal Year End Date --06-30    
Entity File Number 001-43122    
Entity Incorporation, State or Country Code FL    
Entity Address, Address Line One 6901 TPC Drive    
Entity Address, Address Line Two Suite 100    
Entity Address, City or Town Orlando    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 32822    
City Area Code (407)    
Local Phone Number 374-1607    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag false    
Entity Current Reporting Status Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Shell Company false    
Title of 12(b) Security Class A Common stock, $0.0001 par value    
Trading Symbol CAST    
Security Exchange Name NASDAQ    
Entity Public Float     $ 0
Document Financial Statement Error Correction [Flag] false    
Documents Incorporated by Reference [Text Block] None    
Class A Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   36,861,774  
Class B Common Stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   13,925,640