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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.

  • Hill cipher

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

  • Standard Galactic Alphabet decoder

    This online calculator can decode message written with standard galactic alphabet symbols

  • Vigenère cipher

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

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