X.509 Certificate
Parse PEM / .crt: issuer, subject, validity, public key.
All processing on this page runs locally in your browser unless noted otherwise.
How to use
- Load the demo.local sample certificate.
- Review issuer, subject, validity, and public key.
Sample
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----FAQ
What formats are accepted?
PEM with BEGIN CERTIFICATE, or raw Base64 body. Parsing uses node-forge in the browser.