Enigma Machine

Historically-inspired Enigma I simulator with animated lamps, rotors and plugboard

Type or click keys. With the same settings, encrypting again decrypts. Shortcuts: Ctrl+Enter encipher, Esc reset positions.

Plaintext / Ciphertext Input

Output

Left

notch

Middle

notch

Right

notch

Lampboard

Keyboard (click to type)

Reflector

Preserve spaces/punct

Left Rotor

Middle Rotor

Right Rotor

Ring (L)

Ring (M)

Ring (R)

Position (L)

Position (M)

Position (R)

Plugboard pairs

Click letters below to create/remove plugboard pairs. The text field stays in sync.

Decrypting: set the same rotors, rings, start positions, reflector and plugboard — then encipher again.