Atbash Cipher Tool
Encode or decode text using the Atbash cipher which reverses the alphabet (A↔Z, B↔Y). Applying it twice returns the original text.
Atbash Result
SVOOL DLIOW
Atbash is its own inverse — applying it twice returns the original
Original Text
HELLO WORLD
Letters Converted
10.00
Letter Mapping Used
D→W E→V H→S L→O O→L R→I W→D
Full Alphabet
A↔Z B↔Y C↔X D↔W E↔V F↔U G↔T H↔S I↔R J↔Q K↔P L↔O M↔N