C2PA Content Credentials Checker

C2PA (Coalition for Content Provenance and Authenticity) is an open technical standard founded by Adobe, Microsoft, Arm, Intel, Truepic, and the BBC. It creates an interoperable, cryptographically signed record of an image's origin, creation history, and subsequent edits.

Standard EXIF tags (such as camera model, GPS, or date) are plaintext and can be edited or removed by anyone with basic software. C2PA binds a cryptographic signature and Merkle hash tree to the pixel data. Any alteration to the image invalidates the signature, immediately flagging tampering.

Platforms like Instagram, Facebook, TikTok, and Google use C2PA manifests to automatically attach 'AI Info' or 'Generative AI' badges to uploaded media. When tools like Adobe Firefly, Midjourney, or DALL-E generate images, they embed C2PA manifests recording their synthetic origin.

Professional cameras (such as the Leica M11-P and recent Sony/Nikon firmware) now feature onboard secure hardware chips that sign photos at the exact millisecond of shutter actuation, proving authentic physical capture.

Screenshots or aggressive compression sever the embedded C2PA container. The resulting image arrives with 'No Content Credentials'—it does not gain a false 'camera' verification. Platforms and checkers treat severed manifests as unverified legacy media.