{# canonical_base is the OWNING tenant's origin: all 16 Peasy domains serve the same catalogue, so a page rendered by a non-owner points its canonical at the owner instead of competing with it. Falls back to this site for static/self-owned pages. #}
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SSL Certificate Decoder

Free Browser-only No sign-up
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About SSL Certificate Decoder

Decode and analyze PEM-encoded SSL/TLS certificates. View subject, issuer, validity period, key details, extensions, and certificate chain information.

Frequently Asked Questions

What certificate formats are supported?
PEM-encoded X.509 certificates (the -----BEGIN CERTIFICATE----- format). This is the most common format used by web servers.
Is my certificate data safe?
All parsing happens in your browser using client-side JavaScript. No certificate data is sent to any server.