Welcome to Cipher Utility
Your trusted collection of encryption and decryption tools. Simple, secure, and free to use.
Caesar Cipher
Encrypt and decrypt text using the classic Caesar shift cipher.
Vigenère Cipher
Use a keyword to encrypt your text with this powerful polyalphabetic cipher.
ROT13
Simple letter substitution cipher that replaces a letter with the 13th letter after it.
Base64
Encode or decode text to and from Base64 format.
MD5 Hash
Generate an MD5 hash from your text input.
Password Generator
Create strong, secure passwords with customizable options.
Why Choose Cipher Utility?
Free to Use
All our tools are completely free, with no limitations or hidden costs.
Privacy First
Everything runs in your browser. Your data never leaves your device.
Simple & Secure
Easy to use interface with powerful cryptographic tools.