C2PA · IPTC · Watermark

Check whether content was generated by AI

Drop an image: Filigrane looks for a signed C2PA manifest, IPTC metadata and an invisible watermark. Or paste some text.

Drop a JPEG, PNG or WebP image or click to choose a file

Or try a sample:

Your file never leaves your device.

Check a text

Paste a text that may contain invisible AI markers.

Mark an image with the three layers (demo certificate), then simulate a social network that strips metadata and recompresses.