# Search results

##### Result by tag 9 results

- Gravity Falls Author's symbol substitution cipher decoder
This online calculator can decode messages written in the Author's symbol substitution cipher

- Index of Coincidence
This online calculator calculates index of coincidence (IC, IOC) for the given text

- Pigpen cipher decoder
This online calculator can decode messages written in the pigpen cipher

- Substitution cipher breaker
This online calculator tries to decode substitution cipher without knowing the key. It uses genetic algorithm over text fitness function to break the encoded text

- Substitution Cipher Tool
The tool to encrypt/decrypt messages with simple substitution cipher given as key. It is also useful for manual cryptanalysis of substitution cipher - when you have message written in English alphabet partially decrypted with automatic tool and want to tweak the key.

- Vigenère cipher breaker
This online calculator tries to decode Vigenère cipher without knowing the key. It uses the index of coincidence technique.

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

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

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