Calculate fingerprint
certificate = -----BEGIN CERTIFICATE-----\nMIIB...\n-----END CERTIFICATE-----
Result: SHA-256: AB:CD:EF:...
Certificate Fingerprint Calculator
Paste a PEM or DER certificate to calculate its SHA-1 and SHA-256 fingerprints. Fingerprints uniquely identify a certificate and are used for pinning and verification.
Enter your values and press Calculate — the result appears here.
Worked examples
Frequently asked questions
What is a certificate fingerprint?
A fingerprint (thumbprint) is a hash of the DER-encoded certificate. It uniquely identifies the certificate. SHA-256 fingerprints are preferred over SHA-1.
What is certificate pinning?
Certificate pinning is associating a host with its expected certificate fingerprint. If the server presents a different certificate, the connection is rejected.
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