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ROT13 Cipher

Instantly encode or decode text using the classic ROT13 substitution cipher.

Input Text

Output Result

Frequently Asked Questions

Is ROT13 Encoder / Decoder free?

Yes! DoctorDocs is 100% free with no sign-up required. All processing happens locally in your browser.

Is my data private?

Absolutely. Nothing is uploaded to any server. All processing runs client-side using WebAssembly.