BCDRPulse

SSL Certificate Checker / Utilities

Certificate Decoder

Paste a PEM certificate or a whole chain and see the subject, issuer, validity, SANs, key, Extended Key Usage, validation level, OCSP and CRL URLs, embedded SCTs and SHA-256 fingerprints. Decoded in your browser.

Decoded in your browser: nothing you paste is sent to us.

Check a live site

The SSL Certificate Checker reads the certificate your server actually sends, its chain, revocation, CAA and renewal health.

Open the SSL Certificate Checker