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Check marking signals

Run a free first-pass check for C2PA / Content Credentials signals from a file or a direct file URL.

This is a first-pass check for C2PA / Content Credentials signals. It does not detect SynthID, determine whether content is AI-generated, or certify Article 50 compliance. Missing signals do not prove human origin. Not legal advice.

Checks provenance signals. Does not determine whether content is AI-generated or legally compliant.

Accepted formats: JPEG, PNG, WebP, GIF, SVG, PDF, MP4/QuickTime, WAV, MP3, and similar media. Maximum size: 8 MB (URL fetches are capped the same way).

Files you choose are scanned in your browser and are not uploaded. If you paste a URL, our server fetches that file, scans it in memory, and discards it. We do not keep copies of submitted files or URLs.

Informational tool, not legal advice. For obligation mapping see Article 50(2), the marking guide, and C2PA vs SynthID.