A simple cipher that rotates each letter by 13 positions. Encoding and decoding are the same operation.

Does it affect numbers?

No. Only A–Z and a–z are rotated; numbers and symbols stay unchanged.

Online ROT13 Decoder Encoder

ROT13 encode or decode text. Same operation for both—rotate letters by 13 positions. A↔N, B↔O.

Input

What is ROT13?: A simple cipher that rotates each letter by 13 positions. Encoding and decoding are the same operation.
Does it affect numbers?: No. Only A–Z and a–z are rotated; numbers and symbols stay unchanged.

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