Generate SSH Key: Online Tool and ssh-keygen Commands

Generate an SSH key online or with ssh-keygen. Covers Ed25519, RSA 4096, GitHub, GitLab, Linux servers, and deployment keys.

  • Use Ed25519 for most new SSH keys and RSA 4096 only when legacy compatibility requires it.
  • A generated SSH key pair includes a private key that stays secret and a public key that can be shared with servers.
  • The public key can be added to GitHub, GitLab, Bitbucket, or ~/.ssh/authorized_keys.
Platform Setup Guides
What Is SSH? The Complete Guide to Secure Shell What Is an SSH Key? Public and Private Keys Explained SSH Command Examples: Syntax, Flags, Tunnels, and Keys How to Set Up SSH Keys for GitHub, Linux, Mac, and Windows Generate SSH Key: Online Tool and ssh-keygen Commands ssh-keygen Command: Create SSH Keys with Examples
SSH Key Generator
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Resources
GitHub SSH Docs GitLab SSH Docs SSH Academy SSH Cheat Sheet
Generate SSH Key: Online Tool and ssh-keygen Commands SSH Key Generator: Generate SSH Keys Online