ROT13 shifts every letter 13 places through the alphabet — a simple, well-known cipher often used to hide spoilers, puzzle answers, or joke punchlines in forums. Running the same text through ROT13 twice returns the original.
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ROT13 Generator
Encode or decode text with the classic ROT13 letter-shift cipher.
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Frequently Asked Questions
Is ROT13 secure encryption?
No u2014 it's a simple obfuscation cipher, not real encryption. It's meant to hide text from casual viewing (like spoilers), not protect sensitive information.
How do I decode ROT13 text?
Paste the ROT13 output back into the generator u2014 applying ROT13 a second time returns the original text.
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