Signature Checker

Check your electronically-signed documents and your signature's validity.

Check signature protocol

Check here if a digital document is signed correctly within the Signature Portal.

The code is on the last page of the document or on the file called "Manifest" that follows it when downloading.

Exclusive for documents signed at the Signature Portal.

Check signature protocol

Signature checker

Check the validity of a signature by uploading the signature file itself.

You can try to validate even if the document has not been signed by means of the Signature Portal.