Encrypt and decrypt text using classical ciphers like Caesar, Vigenère, ROT13, and many others. These encryption methods have historical significance and provide insights into cryptography evolution.
Shift letters in the alphabet by a specified number of positions for basic encryption.
Use ToolRotate characters by 13 places in the alphabet - a simple letter substitution cipher.
Use ToolUse a keyword to encrypt text with multiple Caesar ciphers for improved security.
Use ToolEncrypt messages by writing text in a zigzag pattern and reading off rows.
Use ToolMirror the alphabet to create a simple substitution cipher (A becomes Z, B becomes Y, etc.).
Use ToolApply the XOR operation with a key to encrypt and decrypt data.
Use ToolEncrypt using mathematical functions with modular arithmetic.
Use ToolEncrypt text using a 5x5 grid of characters with digraph substitution.
Use ToolApply linear algebra for encryption using matrices and vector multiplication.
Use ToolReplace each letter with another letter using a custom substitution alphabet.
Use ToolEncode each letter as a sequence of A's and B's (or any two symbols).
Use ToolEncrypt letters using a 5x5 grid with coordinates for each character.
Use ToolA variation of the Vigenère cipher that uses a different tabula recta.
Use ToolFree online Gravity Falls cipher decoder, encoder, and translator tool.
Use ToolConvert your text into emoji sequences for fun, secret messages.
Use Tool