ROT13 Encoder/Decoder
Apply ROT13 cipher to text (symmetric: encode = decode)
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ROT13 Encoder/Decoder
Apply ROT13 cipher to text (symmetric: encode = decode)
🔒All processing happens in your browser. No data is uploaded.
ROT13 is symmetric. Encoding and decoding are the same operation — applying ROT13 twice returns the original text. Each letter is shifted by 13 positions in the alphabet.