ROT13 Encoder/Decoder Rot13 Encoder and Decoder

ROT13 Encoder/Decoder

Input (Encode)

Output (Decode)

ROT13 Encoder/Decoder

Encode or decode text with the ROT13 cipher directly in your browser. This simple online tool allows you to quickly transform text by rotating each letter 13 positions in the alphabet.

How to Use

  1. Enter your text in the input box.
  2. Select "Encode" to apply ROT13 or "Decode" to reverse ROT13.
  3. Click the "Encode" or "Decode" button (it updates automatically as you type).
  4. Copy the output using the "Copy Output" button.

Features

  • Encode or decode instantly using ROT13.
  • Switch between encode/decode modes seamlessly.
  • Copy results to clipboard with one click.
  • Works entirely in the browser—no installation required.