ROT13 Encoder/Decoder – Encode and Decode Text
Encode or decode text using the ROT13 cipher. This free online tool instantly applies the ROT13 substitution to any string.
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What is ROT13 and How to Use an Online Encoder/Decoder
ROT13 is a simple Caesar cipher that shifts each letter by 13 positions. Use our free online ROT13 encoder/decoder to quickly obfuscate or reveal text. Ideal for puzzles, spoilers, or basic data hiding. Works on any alphanumeric input.