Validate a signed PDF

Checks integrity, the signer certificate chain, revocation status (OCSP/CRL), the trusted timestamp and the long-term archive timestamp.

Drop a signed PDF or click to choose

Simulate tampering (change one byte before checking)

Trust anchors: root CA · issuing CA · TSA

Revocation: issuing CRL · OCSP at /pki/ocsp

The report appears here. Try a document you just signed, then the same file with tampering on, then revoke its certificate in the Ops console and validate again.