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Cyphers / Encryption Menu
Simple Cyphers
Rot 13 Cypher
Probably the simplest cypher in existance.
Caesar's Cypher
Simple, but many variations to play with.
Text Mirroring
barely counts as a cypher, but can be fun.
Vernam's Cypher
is one of the classic ways of encoding a secret.
The
Atbash Cypher
isn't very well known, but well worth studying.
The
Pendulum Cypher
is a favourite of puzzle books.
Hex-Pair Encoding
is a close relative of both hexadecimal notation and of Base-64 encoding.
Twin-Hex Encoding
is one of the most secure simple cyphers available.
The
First-Letter Decoder
is great for the kind of 'code' you see in the movies, where a message has been hidden in plain sight.
Convert to or from Character Codes
either as Decimal, Hex or Binary
Letter Frequency Analyzer
Third-party Links
Online MD5 / SHA encryptor
Have you ever wanted to freak people out by
writing online text upside down?
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