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Tool to encrypt / decrypt a message by substitution cipher (all sizes) by replacing one or more characters with one or more others.
- BCD
DBC Encoder/Converter. BCD decimal numbers as plain text ....
- Shift Cipher
The shift cipher is a cryptographic substitution cipher...
- Caesar Cipher
Tool to decrypt/encrypt with Caesar cipher (or Caesar code),...
- Vigenere Cipher
Tool to decrypt/encrypt Vigenere automatically. Vigenere...
- BCD
A monoalphabetical substitution cipher uses a fixed substitution over the entire message. The ciphertext alphabet may be a shifted, reversed, mixed or deranged version of the plaintext alphabet.
This calculator uses genetic algorithm to break substitution cipher without knowing the key. It measures text fitness to find the best key and shows the decrypted text, key, and details.
Tool to decrypt/encrypt with Caesar cipher (or Caesar code), a shift cipher, one of the most easy and most famous encryption systems, that uses the substitution of a letter by another one further in the alphabet.
Encrypt or decrypt messages with a simple substitution cipher using this online calculator. You can also manually adjust the key and perform cryptanalysis on partially decrypted text.
Tool to decrypt/encrypt Vigenere automatically. Vigenere cipher is a poly-alphabetic substitution system that use a key and a double-entry table.
Substitution Cipher Encoder/Decoder. Enter message to encode/decode: Encode.
