Tome Gallery Sages

The Tome / Chapter VII: The Forbidden Rites / SSL Cert Decoder

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SSL Cert Decoder

Decode SSL/TLS certificates

"These old bones have typed more semicolons than you've had hot compiles."

- Bones the Legacy Keeper

📖 How to Use

Paste a PEM-encoded certificate to decode and view its details including validity, issuer, and subject.

🔧 Certificate Details

• Subject and issuer information
• Validity period
• Public key algorithm
• SHA-256 fingerprint

💡 Tips

→ Get cert: openssl s_client -connect host:443
→ Checks expiration status

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All tools run entirely in your browser. No data leaves your device.

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