A1Z26 Cipher

Encode and decode text using the A1Z26 cipher (A=1, B=2, ... Z=26). Configurable separator with letter-number mapping reference.

All processing happens in your browser. No data is uploaded.

Offline Ready

Encode and decode text using the A1Z26 cipher (A=1, B=2, ... Z=26). Configurable separator with letter-number mapping reference.

🔒All processing happens in your browser. No data is uploaded.

Encode

Decode

Separator

Input

Enter text to encode... e.g. HELLO WORLD

Output