ROT13 rotates each letter 13 positions. Since the alphabet has 26 letters, applying ROT13 twice returns the original text. A↔N, B↔O, etc.

Encoding

ROT13 Cipher

Encode and decode text using the ROT13 substitution cipher. Each letter is shifted 13 positions in the alphabet.

Input

ROT13 Output

From web apps and trading bots to blockchain and AI — we build production-grade systems. Get a free consultation.