A1Z26 Cipher
Encode letters as numbers (A=1, B=2, ...).
Encoded
8-5-12-12-15 23-15-18-12-4
A1Z26 maps each letter to its position: A=1, B=2 ... Z=26. Spaces and punctuation are passed through. This is the simplest substitution cipher and offers no real security. Often used in escape rooms and treasure hunt puzzles.
About
The simplest letter-to-number substitution. A=1 through Z=26. Encode either direction. Spaces and punctuation pass through unchanged. Common in puzzle hunts and escape rooms.
How to use
- Pick encode or decode.
- Type your text or numbers.
- Pick a separator.
FAQ
Is this real encryption?+
No. It's a one-to-one substitution that's trivially reversible. Useful for fun puzzles, not for keeping secrets.