SSL Certificate Decoder Online

Decode PEM certificate: subject, issuer, validity, SANs, SHA-1 and SHA-256 fingerprints.

PEM Certificate

SSL Certificate Decoder

Paste a PEM certificate (content between -----BEGIN CERTIFICATE----- and -----END CERTIFICATE-----) — the tool displays:

Subject and issuer
Validity period and status
Subject Alternative Names (SANs)
Key size and algorithm
SHA-1 and SHA-256 fingerprints

All computations run locally in the browser.

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