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- A1Z26 cipher
A1Z26 is very simple direct substitution cypher, where each alphabet letter is replaced by its number in the alphabet.

- Atbash cipher
This calculator allows you to encrypt and decrypt text with Atbash method

- Caesar cipher
Calculator encrypts entered text by using Caesar cipher. Non-alphabetic symbols (digits, whitespaces, etc.) are not transformed.

- Hill cipher
This calculator uses Hill cipher to encrypt/decrypt a block of text