PuTTY Configuration Builder

Generates human-readable UI steps. Putty.info does not modify your computer.

Do not include passwords or private key material. Shareable links store only non-sensitive fields and expire.

Builder type Host name or IP (example values OK) Port Username (optional) Saved session name Keepalive seconds (keepalive builder) Listen / source port (tunnels) Destination host:port fields Private key path (key_auth; path only)

Available builders

Basic SSH session — Host, port, SSH protocol, and first connection checks.
Saved session — Name, save, and reload a session safely.
Keepalive settings — Seconds between keepalives for idle sessions.
Session logging — All session output vs SSH packets, with risk notes.
Local port forwarding — PuTTY UI path for -L style forwards.
Remote port forwarding — PuTTY UI path for -R style forwards.
Dynamic SOCKS forwarding — PuTTY UI path for -D style SOCKS.
Proxy connection — HTTP/SOCKS proxy hop before SSH.
Serial console — COM port, speed, and serial session type.
Private-key authentication — PPK selection under Connection → SSH → Auth.
Pageant workflow — Agent-loaded keys with passphrase handling notes.
Appearance and terminal — Fonts, colours, and terminal bells.