CipherLock
Encrypt, decrypt, and learn the history of every cipher free

CipherLock is a free online tool for encrypting and decrypting text using a wide variety of ciphers, including Caesar, Vigenère, AES, and Morse code. It also functions as a cryptography learning resource, providing historical context for each cipher. The service operates with no user tracking.
Users select a cipher, input their text, and the tool encrypts or decrypts it instantly in the browser with no account required.
students, hobbyists, and developers interested in cryptography
Background.
- Status
- launched
- Business model
- free
Contact
Similar projects.
Editorial take on the space this project sits in — momentum signals, adjacent moves, our call on whether the wedge is real. Get pinged when we publish a new read or when the landscape shifts.
Have a take on this space?
Tell us what you’d build differently, where you think the incumbents miss, or what we’ve gotten wrong about this project. Comments + reactions are coming soon.