OriginSign – Cryptographically sign photos and videos to prove ownership

Summary: OriginSign enables users to cryptographically sign photos and videos without blockchain or downloads, embedding a private key signature into the media. Anyone can instantly verify authenticity at originsign.com/verify, providing a reliable method to prove content ownership.

What it does

OriginSign lets users upload media and sign it with a private key, embedding an invisible cryptographic signature. Verification is accessible online without requiring wallets or blockchain technology.

Who it's for

It is designed for creators seeking to protect their photos and videos from theft, impersonation, or AI-generated copies.

Why it matters

It addresses the lack of a universal, tamper-proof method to prove content originality amid AI cloning and stolen media.