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Made withby Shashank Dubey

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CSR Decoder

Inspect PKCS#10 certificate signing requests, verify signatures, and review requested extensions.

Quick context
  • Runs entirely client-side with no server dependency.
  • Built for copy-paste workflows and fast iteration.
  • Optimized for desktop and mobile editing sessions.
csrpkcs10certificate

CSR input

Paste a PEM-encoded PKCS#10 certificate signing request.

Normalized CSR

Decoded requests are re-emitted as normalized PEM.

No CSR data

Paste a certificate signing request to inspect its subject and requested extensions.