← All Tools

🔑 SSH Key Generator & Analyzer

Generate SSH key pairs and analyze existing public keys.

All keys are generated locally in your browser using Web Crypto API. Private keys never leave your device.

Key Type

SSH Key Reference

Key Types

  • Ed25519: Modern, fast, 256-bit
  • RSA 2048: Minimum recommended
  • RSA 4096: Higher security margin
  • DSA: Deprecated, avoid
  • ECDSA: Curve concerns exist

Best Practices

  • Prefer Ed25519 for new keys
  • Use passphrases for private keys
  • Rotate keys periodically
  • Keep private keys secure (0600)
  • Use SSH agent forwarding cautiously