Caesar Cipher Generator

Encrypt and decrypt messages with the Caesar cipher online. Perfect for learning classical encryption, sharing secret messages, or practicing coding skills. Quickly shift letters to encode text accurately, securely, and efficiently for fun or study purposes.

Shift letters by 3 positions in the alphabet
Character: 0Word: 0Line: 0Sentence: 0
Character: 0Word: 0Line: 0Sentence: 0
Caesar Cipher Info: A simple substitution cipher where each letter is shifted by a fixed number of positions in the alphabet. Only alphabetic characters are affected; numbers, spaces, and punctuation remain unchanged.
How Does the Caesar Cipher Generator Work?
The caesar cipher tool encodes and decodes text by shifting each letter by a fixed number of positions in the alphabet. It’s a classical encryption technique used for simple data security or fun secret messages. Simply enter your text, choose a shift value, select encode or decode, and get the transformed text instantly.

Example for Caesar Cipher Encrypt:

Input (Encode, Shift 4):
Caesar Cipher
Output
Geiwev Gmtliv Srpmri

Example for Caesar Cipher Decrypt:

Input (Decode):
Geiwev Gmtliv Higvctx
Output
Caesar Cipher Decrypt
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