Your proof. Permanent. Unquestionable.

Upload your file or paste a URL

Choose any file or paste any URL you need to protect.

We generate a permanent fingerprint

We seal a permanent fingerprint that no one can alter or delete.

Share your verify link as proof

Share your verify link as instant, undeniable proof.

For anyone who needs to prove what was said, shared, or signed — and when.

© 2026 Signim. Your files are never stored — only their fingerprint.