🔐 OpenSSL Command Builder

Generate ready-to-run OpenSSL commands for keys, CSRs, self-signed certs, PKCS#12 bundles, format conversion, and hashing. Fill in the form, copy the command.

Algorithm

RSA key size

Output file

Encrypt with passphrase (AES-256)

Private key file

Output CSR file

Country (C)

State (ST)

Locality (L)

Organization (O)

Org Unit (OU)

Common Name (CN)

Subject Alt Names (comma-separated)

Key file

Output cert file

Common Name (CN)

Validity (days)

Subject Alt Names (comma-separated)

Generate new key + cert together (single command)

Target type

Input file

From

Input file

Output file

Certificate file

Key file

CA chain file (optional)

Friendly name

Output PKCS#12 file

Algorithm

Mode

Input file

🔐 OpenSSL Command Builder

Generated command