Atbash Cipher

What is Atbash Cipher?

Atbash is a simple substitution cipher originally used for the Hebrew alphabet. It reverses the alphabet: A becomes Z, B becomes Y, and so on. Like ROT13, applying Atbash twice returns the original text.

Key Features

• Symmetric cipher (encode = decode)
• Real-time conversion
• Preserves case and spacing
• Copy result with one click

How to Use

1. Enter your text in the input field
2. View the Atbash transformation instantly
3. To decode, paste the encoded text — same operation reverses it

FAQs

• Is Atbash secure?
  No. It has only one possible key, making it trivial to break. Use for puzzles and obfuscation only.
• Where does the name come from?
  From Hebrew: Aleph-Tav-Beth-Shin, the first, last, second, and second-to-last Hebrew letters.