cipher.codes
Atbash
Atbash is a simple substitution cipher originally created for the Hebrew alphabet. When used with the English alphabet, this cipher reverses the alphabet.
Supports
✅ Perfect Decoding
✅ Uppercase letters (A-Z)
✅ Lowercase letters (a-z)
❌ Numbers (0-9)
❌ Symbols (!@#$)
❌ Emojis (😍🤬👩🏾💻)
Numbers, Symbols, and Emojis
Numbers, symbols, and emoji are outputted as-is by this cipher.
What is “Perfect Decoding”?
Perfect Decoding is when the decoded text exactly matches the text that was encoded.
Source
Formula for Encoding & Decoding
26 - letterPos
Live Example
Sample String
Hello World!
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789
!@#$
✨🦄✨
When, Encoded
Svool Dliow!
ZYXWVUTSRQPONMLKJIHGFEDCBA
zyxwvutsrqponmlkjihgfedcba
0123456789
!@#$
✨🦄✨
Then, Decoded
Hello World!
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789
!@#$
✨🦄✨
