ROT13 Converter

Encode or decode text with the ROT13 cipher.

Features

Encode and decode with the same operation
Letters only rotation
Instant reversible transform

How to use ROT13

1
Paste the text.
2
Run ROT13.
3
Run again to decode, or share the rotated text.

Examples

Rotate

Input

Hello

Output

Uryyb

About ROT13

ROT13 Converter applies the classic 13-letter rotation. It is for puzzles, light obfuscation in examples, and teaching - not for protecting secrets. Apply twice to reverse.

Frequently asked questions

No. Anyone can reverse it instantly.

Typically left unchanged; letters rotate.

Yes.

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