Check a signature file
See whether a file was made with Signature Studio. Signature files you download carry content credentials, a label that says the image was made with AI.
We don't keep the file you check, and this tool doesn't show who made a signature.
Tell us if the result looks wrong: help@apertix.ai
Check without opening this site
curl -F file=@signature.png https://sign.apertix.ai/api/verify