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Gatefrog

Check Content Credentials

Check whether an image carries C2PA provenance data: who signed it, what created it, whether it is marked as AI generated and whether it was changed since.

Drop your image here

or choose it (10 MB max)

Encrypted in transit · processed in Germany · deleted right after

Powered by BiGapi.dev, the file API for developers and AI agents

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Promo kit: images and QR code to post or print

For notice boards, newsletters or social media. Everything is created right on your device.

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How it works

  1. 1 Drag your image into the box or choose the file, also straight from Google Drive or Dropbox.
  2. 2 The check shows who signed the image, which program created it and whether it is marked as AI-generated.
  3. 3 Start processing. Your file is transferred encrypted and processed in Germany.
  4. 4 Download the result. Done, no sign-up and no watermark from us.

Frequently asked questions

What happens to my files?

Your file is transferred encrypted and processed in Germany only for this one conversion. It is deleted right after the result is delivered; the content is neither stored nor analyzed. For very sensitive documents, we recommend our tools where the file stays on your device, such as “Redact patient data”.

What does it mean if no Content Credentials are found?

Only that the image carries no C2PA data. Many programs don't write any, and they are often lost when you upload to social networks. So missing credentials don't mean the image is fake or AI-generated.

Are there limits on file size or page count?

Yes, so the tool stays free for everyone: up to 10 MB per file. On top of that there is a generous daily allowance. Once it is used up, you can continue the next day.

Is the tool free?

Yes. All tools on Gatefrog are free to use, with no sign-up, no installation and no watermark from us.

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