Search results

Name
Index of Coincidence
This online calculator calculates index of coincidence (IC, IOC) for the given text
Substitution cipher tool
A tool to encrypt/decrypt messages with a simple substitution cipher given as the key. It is also useful for manual cryptanalysis of a substitution cipher - when you have a message written in the English alphabet partially decrypted with an automatic tool and want to tweak the key.
Items per page: