Drop your sealed document
Accepts MSGstick™ sealed HTML files
or tap to browse
or tap to browse
Paste Verify URL or SHA-256 Hash
ECDSA P-256
Every seal uses elliptic curve cryptography. The signature cannot be forged.
No Data Stored
Verification runs entirely in your browser. Nothing is sent to any server.
Self-Contained
The public key is embedded in the document. No external authority required.