ROT13 / ROT47 Converter

Apply ROT13 or ROT47 ciphers instantly. Perfect for quick, reversible text obfuscation and puzzles.

Cipher Selection
Input Length 0
Output Length 0

How it works

ROT13: Rotates letters A-Z and a-z by 13 positions. Non-letters stay the same.
ROT47: Rotates ASCII characters between ! and ~ by 47 positions.
Reversible: The same action encodes and decodes the text instantly.
100% local: Everything runs in your browser for privacy.

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