Tools/Text/Caesar Cipher Encoder and Decoder
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Caesar Cipher Encoder and Decoder

Shift English letters by a selected offset to encode or decode a Caesar cipher for learning and puzzles.

Input0 characters
Result0 characters

Input and result notes

Caesar shifts letters by a fixed offset; decoding requires the same offset. A shift of 3 maps A to D. Do not use it to protect credentials or private data.

Text
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    Encode or decode alphabetic text with a keyword-based Vigenere cipher for classical cryptography exercises.

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