Cipher and text tools
Search by tool name or what you need to do.
All tools
14 tools available
Ciphers
- A1Z26 Letter Number Cipher Encoder and Decoder Encode ASCII letters as A=1 through Z=26 values or strictly decode numbered words with clear separator and case options.
- Atbash Cipher Mirror ASCII letters with the self-inverse Atbash cipher while preserving case, spacing, punctuation, and all other characters.
- Bacon Cipher Encode and decode Bacon cipher text with clear 24-letter and 26-letter alphabet choices.
- Book Cipher Encode and decode strict word-letter book cipher coordinates with your own key text directly in the browser.
- Caesar Cipher Decoder and Shift Solver Decode Caesar cipher text with a known key or compare all 26 shifts locally while preserving case and non-ASCII characters.
- Masonic Cipher Draw and decode standard Pigpen cipher symbols with a portable, validated text notation in your browser.
- Playfair Cipher Encoder and Decoder Encrypt or decrypt classic Playfair digraphs with an explicit 5x5 I/J key square and honest filler handling, entirely in your browser.
- Polybius Square Encoder and Decoder Encode text as strict 5 by 5 Polybius coordinates or decode validated pairs with the I/J convention shown.
- Rail Fence Cipher Encoder and Decoder Encrypt and decrypt text with the standard Rail Fence zigzag while preserving every Unicode code point, space, and line break.
- Scytale Cipher Encoder and Decoder Encode and decode scytale transpositions with an exact column key, preserved characters, and a reversible ragged grid.
- Tap Code Encode and decode strict 5 by 5 Tap Code pairs locally, with an explicit C/K cell and clear validation.
- Vigenere Cipher Decoder Decode or encode classic Vigenere text with a known repeating A-Z key, entirely in your browser.
Encodings
Formatting
No tools match that search. Try another word.