🔐 Text Cipher Tool
Encode and decode text using various classical ciphers
Each letter is shifted by 3 positions in the alphabet
About Classical Ciphers
- Caesar: Shifts each letter by a fixed number of positions
- ROT13: Caesar cipher with shift of 13 (reversible)
- Vigenère: Uses a keyword to create varying shifts
- Atbash: Reverses the alphabet (A↔Z, B↔Y, etc.)