Cipher machines · Wireless signals · World War II
Select rotors, ring settings, start positions, reflector and plugboard. Applying resets the current message.
Select two letters to connect them. Select a connected letter to remove its pair.
Share the initial machine configuration. Messages are never included.
For best results scan using a camera QR reader, or use SCAN QR to import an image on supported browsers.
Choose a QR screenshot or image, or paste the shared configuration text.
The Enigma was a rotor cipher machine used in the twentieth century. Its rotor positions, ring settings, reflector and plugboard determine how each letter is transformed. This workshop is a historical simulator, not a secure messaging system.
Learn more: Enigma machine — Wikipedia
Morse code represents letters and numerals as sequences of short and long signals. Operators sent these signals using telegraph keys.
Learn more: Morse code — Wikipedia
Historical photographs will be added only after their source and reuse licences have been verified. The machine artwork in this app is illustrative, not an archival photograph.
The introduction uses authentic archival photography when the original images can be loaded. If unavailable, the introduction uses local illustrative machine imagery, not mislabelled as wartime photographs.
Concept reference image; interactive controls use separate HTML/CSS layers.
