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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

PATHFINDER cipher checker

This online calculator decrypts digits encrypted by PATHFINDER type of cipher.

PLANETCALC, PATHFINDER cipher checker

PATHFINDER cipher checker

  • Playfair cipher

    This online calculator encrypts and decrypts a message given Playfair cipher keyword. Non-alphabetic symbols (digits, whitespaces, etc.) are ignored.

  • Rail fence cipher

    This article contains two calculators, first can be used to encode message with the rail fence cipher, second can be used to crack message encoded with the rail fence cipher by brute force. Decoded simply outputs decoded message for different number of "rails".

  • Standard Galactic Alphabet decoder

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

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