Atbash Cipher Encoder/Decoder

This tool allows you to encode and decode messages using the Atbash cipher, a simple mono-alphabetic substitution cipher originally used with the Hebrew alphabet.

Calculator

Results

Output will be displayed here.

Source of Data and Methodology

All calculations are based strictly on the principles of the Atbash cipher, a well-known substitution cipher.

The Formula Explained

The Atbash cipher reverses the alphabet so that the first letter becomes the last letter, the second letter becomes the second-to-last letter, and so on.

Glossary of Variables

How It Works: A Step-by-Step Example

For example, if you input "HELLO", the output will be "SVOOL".

Frequently Asked Questions (FAQ)

What is the Atbash cipher?

The Atbash cipher is a simple substitution cipher that reverses the alphabet.

How does the Atbash cipher work?

Each letter in the alphabet is mapped to its reverse, so A becomes Z, B becomes Y, etc.

Where is the Atbash cipher used?

Historically, it was used in Hebrew, and it can be applied to any alphabet.

Is the Atbash cipher secure?

No, it is a basic cipher and can be easily broken with frequency analysis.

Can I use the Atbash cipher for numbers?

The traditional Atbash cipher is for alphabets, but similar methods can be applied to numbers.

Tool developed by Ugo Candido. Content verified by the expert team.
Last reviewed for accuracy on: October 10, 2023.

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