CipherSteps

CipherSteps is a free browser-based set of classical cipher and code tools. Its Caesar encoder and decoder lets you choose a shift, keep spaces and punctuation, and follow each letter through the calculation. Copy the result or use TXT and JSON export controls. The site also offers Vigenere, Rail Fence and Morse tools and printable puzzles with separate answers. No account is needed, and text is processed on the device. These methods are for learning and puzzles, not protecting confidential information.