The Atbash cipher (also called the mirror cipher or reverse alphabet) is a monoalphabetic substitution cipher in which each letter is replaced by its counterpart in the alphabet; thus, A …

It is believed to be the first cipher ever used, and its use pre-dates Egyptian examples of encryption. To use Atbash, you simply reverse the alphabet, so A encodes to Z, B to Y and so …

Jan 7, 2026 · A very simplistic cipher where you change A to Z, B to Y, and so on. The Atbash cipher is a very common and simple cipher that simply encodes a message with the reverse of …

Atbash (Hebrew: אתבש; also transliterated Atbaš) is a monoalphabetic substitution cipher originally used to encrypt the Hebrew alphabet. It can be modified for use with any known …

Originally used to encode the hebrew alphabet, Atbash (אתבש‎‎) is formed by mapping an alphabet to its reverse, so that the first letter becomes the last letter. The Atbash cipher can be seen as …

What is Atbash? The Atbash cipher is a substitution cipher where each letter is replaced with its mirror letter from the reversed alphabet. It's like folding the alphabet in half and matching …

3 days ago · Discover the Atbash cipher — a 2,500-year-old Hebrew substitution cipher that magically decodes itself. Learn how it works, why it's historically significant, and try it instantly …

The Atbash cipher is one of the oldest known substitution ciphers, originally used for the Hebrew alphabet. It works by replacing each letter with its mirror image in the alphabet - the first letter …

Professional Atbash decoder, Atbash cipher decoder, and Atbash solver online. Advanced Atbash calculator with automatic decoding, confidence scoring, and step-by-step Atbash decryption …

Learn how to encrypt and decrypt text using the Atbash Cipher, a simple yet powerful symmetric substitution cipher.