ROT13 Cipher
Rotate letters by 13
Encoding / Decoding
Instant results
ROT13 is a simple letter substitution cipher that replaces each letter with the letter 13 positions after it in the alphabet. Applying ROT13 twice returns the original text.
Rotate letters by 13
ROT13 is a simple letter substitution cipher that replaces each letter with the letter 13 positions after it in the alphabet. Applying ROT13 twice returns the original text.