What a valid credential means
A valid C2PA credential means the signed manifest passed the checks available to this verifier. It can describe the signing tool and a recorded edit history. It does not prove that every statement in the file is true.
Read C2PA provenance information from an image, PDF, video, or audio file using the official browser SDK. The file is processed locally and is not uploaded to WatermarkScope.
JPEG, PNG, WebP, SVG, PDF, MP4, MOV, WAV or MP3 · up to 100 MB
The file stays in this browserWe will show whether a C2PA manifest is present and what its validation state means.
A valid C2PA credential means the signed manifest passed the checks available to this verifier. It can describe the signing tool and a recorded edit history. It does not prove that every statement in the file is true.
Metadata may never have existed or may have been removed by an export, screenshot, editor, or social platform. Absence is not evidence of human authorship, deception, or safety.
C2PA is a signed file provenance standard. Claude's statistical text watermark is a different signal and cannot be read from ordinary text by this file checker.
This page uses the open-source @contentauth/c2pa-web browser SDK maintained by the Content Authenticity Initiative.