PEM Certificate Parser
Inspect, validate, and break down X.509 PEM certificate blocks into subject details, issuer information, validity timelines, and public key attributes.
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PEM Format Reference
1. PEM Encoded Structure
PEM (Privacy-Enhanced Mail) files use Base64 encoding enclosed between standard header and footer boundary labels.
2. X.509 v3 Attributes
Contains critical fields including serial number, signature algorithm, issuer distinction, subject details, and validity schedules.
Frequently Asked Questions (FAQ)
Yes. Public certificates contain non-confidential public data. All parsing routines operate locally inside your browser memory.
The parser supports PEM-formatted blocks enclosed between `-----BEGIN CERTIFICATE-----` and `-----END CERTIFICATE-----`.
Ensure your certificate text includes proper beginning and ending boundaries without trailing corrupt characters or missing base64 segments.