SSLGen — SSL Certificate Generator

Generate, inspect, and verify SSL/TLS certificates from the command line. Powered by OpenSSL.

Commands

Examples

# Generate a self-signed cert for local dev
sslgen self-signed myapp.local
# → Creates myapp.local.key + myapp.local.crt

# Generate a CSR for production
sslgen csr example.com
# → Creates example.com.key + example.com.csr

# Inspect a certificate
sslgen info /etc/ssl/certs/server.crt

# Check if cert is expiring soon
sslgen expiry server.crt

# Verify a certificate
sslgen verify server.crt

# View cert chain
sslgen chain fullchain.pem

Requirements

• openssl — must be installed and in PATH

Output

• self-signed and csr create files in the current directory named <domain>.key, <domain>.crt, or <domain>.csr
• All other commands output to stdout with color-coded status indicators
• Expiry warnings: green (90+ days), yellow (30-90 days), red (<30 days), expired