Enigma Machine Simulator

01 / Configure

Machine setup

Choose three rotors and their starting settings. The same setup decodes what it encodes.

Rotors Three of I–V, left to right

Rotor start Three letters

Rings Three letters

Plugboard Pairs, such as AB CD

Passkey

Use a date, word, or phrase to recreate the same setup.

02 / Encode

Live rotor position

Type message here

Read output here Preserve spacing

Open the browser console to trace each letter’s path through the machine.