A1Z26 is very simple direct substitution cypher, where each alphabet letter is replaced by its number in the alphabet.
This calculator allows you to encrypt and decrypt text with Atbash method
The calculators encode string to base64 string and decode back to original string. Special characters (+/) , generally produced by base64 algorithm, can be replaced by the data provided in additional parameter.
Calculator encrypts entered text by using Caesar cipher. Non-alphabetic symbols (digits, whitespaces, etc.) are not transformed.
The calculator counts word number in a given text. It can be used for rough calculation of translation cost. Can be used for word number calculation in software resources.
This calculator uses Hill cipher to encrypt/decrypt a block of text
This online calculator computes Shannon entropy for a given event probability table and for a given message
This online calculator builds symbol frequency table for a given message
Calculator encrypts entered text by using Vigenère cipher. Non-alphabetic symbols (digits, whitespaces, etc.) are not transformed.
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