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SSL Certificate Generator

Generate a self-signed SSL certificate and private key for testing and internal use.

1 Configure
2 Generate
3 Download
Certificate Details
Domain name or wildcard (e.g., *.example.com)
2-letter ISO code
How It Works
1

Fill Details

Enter your certificate subject info

2

Generate

4096-bit RSA key pair with SHA-256 signing

3

Download

Copy or save your .crt, .key, or .pem files

Security Notice

These are self-signed certificates, suitable for testing and development environments only.

Self-signed certificates will trigger browser security warnings. For production, use a trusted Certificate Authority.

Privacy
  • Generated server-side over a secure connection
  • Private key is never stored on our servers
  • Download immediately — it cannot be retrieved later