ROT13 Decoder

Decode ROT13-encoded text back to plaintext.

Plaintext

Note: Because ROT13 is an involution, decoding applies the same ROT13 rotation as encoding. Just paste the encoded text and it will be converted back.

What Is a ROT13 Decoder?

The ROT13 Decoder tool converts ROT13-encoded text back to plaintext. Since ROT13 is an involution, decoding uses exactly the same rotation as encoding.

How to Use This ROT13 Decoder

1
Paste TextPaste the ROT13-encoded text.
2
DecodeClick 'Decode' to reveal the original message.
3
Copy ResultSave the decoded text to your clipboard.

Frequently Asked Questions

No. ROT13 is self-reciprocal — decoding is identical to encoding, so no key is required.

Only the 26 letters. Digits, punctuation, and whitespace remain unchanged.

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