OpenSSL Command Generator

The ultimate cheat sheet for OpenSSL. Generate, convert, and inspect certificates instantly.

Generate RSA Private Key

openssl genrsa -out private.key 2048

Generate CSR from Key

openssl req -new -key private.key -out request.csr

Convert PEM to DER

openssl x509 -in cert.pem -outform der -out cert.der

Check Certificate Expiry

openssl x509 -enddate -noout -in cert.pem

View Certificate Details

openssl x509 -in cert.pem -text -noout

Common OpenSSL commands for key/cert/CSR operations. Copy to clipboard for quick use.

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