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ROT-N Cipher

Rotate the alphabet by any number 0-26.

ROT-13
Uryyb, jbeyq!

Rotate the alphabet by N. ROT13 is self-inverse (apply twice to recover). ROT5 covers digits classically. ROT47 covers all printable ASCII (separate tool). Trivially breakable with frequency analysis.

About

Generic ROT-N substitution. ROT13 is the famous one (self-inverse). Try other shifts to test how the cipher changes. Letters wrap; spaces and punctuation pass through.

How to use

  1. Pick the shift.
  2. Type your text.

FAQ

Why is ROT13 special?+

13 is half of 26, so applying ROT13 twice returns the original. ROT5 used to handle digits in older Usenet. The full ASCII version is ROT47.