What is ROT13?
ROT13 shifts each letter 13 places in the alphabet.
Tool workspace
Encode text using ROT13, ROT5, ROT18, ROT47, or custom Caesar cipher shifts instantly online.
ROT Encoder allows you to encode text using several Caesar cipher variations including ROT13, ROT5, ROT18, ROT47, or custom rotation shifts. These ciphers rotate characters in the alphabet or ASCII table to produce encoded text.
Input
hello
Output
uryyb
ROT encoding shifts each character forward by a fixed number of positions in the alphabet. For example ROT13 moves each letter 13 places forward.
ROT13 shifts each letter 13 places in the alphabet.
No it is a simple substitution cipher.
Yes applying ROT13 again restores the original text.
ROT47 rotates printable ASCII characters by 47 positions.
In puzzles, online forums, and cryptography examples.
No it is only for demonstration or obfuscation.