Cipher Urial Newt Web

Encrypt and decrypt your text messages using this classic text cipher tool. This utility provides quick encoding and decoding using Caesar, ROT13, and Vigenere algorithms, completely offline and with zero background data transmission.

Whether you want to learn historical cryptography or send encoded text to friends, our app offers a beautiful, bento-inspired interface to explore Caesar, ROT13, and Vigenere ciphers.

Key Features:
• Caesar cipher with custom shift values
• ROT13 cipher for quick letter substitution
• Vigenere cipher using a custom keyword passphrase
• Dynamic key inputs that show or hide based on the selected algorithm
• Clean encrypt/decrypt mode switch with instant conversions
• Copy cipher text to clipboard with a single tap

How to Use:
• Select your desired cipher algorithm from the menu
• Enter a key or shift value if required by the algorithm
• Type or paste your message to see the instant translation

Privacy & Experience:
• No ads
• No in-app purchases
• Works completely offline
• No account required