Text ToolsPrivate by design
Caesar Cipher Encoder/Decoder
Enter text and a shift amount to encode or decode it with a classic Caesar cipher.
How to use this tool
- 1Type or paste your text.
- 2Choose a shift amount.
- 3Read the shifted result, or shift the other direction to decode.
Frequently asked questions
Is a Caesar cipher secure?+
No — it's a simple historical cipher easily broken by trying all 25 shifts. Use it for puzzles and learning, not real security.
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