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ROT13 Cipher

Encode or decode text using the classic ROT13 rotation cipher.

ROT13 Cipher

Encrypt or decrypt text using the classic 13-letter rotation.

Fun fact: ROT13 is often used in online forums to hide spoilers!

About ROT13 Cipher

Use the classic Caesar cipher variation. ROT13 replaces a letter with the 13th letter after it in the alphabet. Because there are 26 letters, the same algorithm is used to both encrypt and decrypt, providing a fun way to hide spoilers or simple messages.

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