Tool for encoding and decoding with the Caesar cipher, a simple and famous shift cipher that replaces each letter with another one further down the alphabet. Compatible with ROT13 and other variants.

Method in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet. The method is named after Julius Caesar, who used it in his private correspondence.

Discover the timeless Caesar cipher through our modern Caesar cipher translator. Named after Julius Caesar, who relied on it for secure military communications, this classic encryption technique shifts …

A Caesar cipher[a] is one of the simplest and most widely known encryption techniques used in cryptography. It is a type of substitution cipher in which each letter in the plaintext is replaced by a …

Use our Caesar cipher encoder to convert messages into cipher text or test every possible key to solve caesar cipher puzzles without knowing the original shift.

Named after the Roman emperor Julius Caesar, who used this Caesar Cipher technique to encrypt his military commands to make them difficult for enemies to decipher, it is a simple yet foundational …

Jul 23, 2025 · The Caesar cipher is a simple encryption technique that was used by Julius Caesar to send secret messages to his allies. It works by shifting the letters in the plaintext message by a …

The Caesar cipher is one of the earliest and simplest ciphers that were invented. It works like this: First, choose some text that you want to encrypt. Let's choose the text "eat". Next, pick a number. It can be …

The Caesar cipher is named after the legendary Roman emperor Julius Caesar, who used it to protect his military communications. It is a simple substitution cipher, where each letter corresponds to …

Encrypt and decrypt text with Caesar cipher. Features visual cipher wheel, frequency analysis, brute force all shifts, and auto-detect best shift value.