Letters to numbers converter (A1Z26)
A1Z26 is one of the simplest puzzle ciphers, used in kids' games and escape rooms. It is a puzzle cipher, not protection.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Enter text and separator between numbers.
- The result appears straight away and updates as you edit.
- Copy the result, or copy a link that keeps the same values to share it.
How it is calculated
Letter number = its position in the English alphabet, from A = 1 to Z = 26.
Example
Inputs: Separator between numbers = Hyphen (8-5-12). Result: Numbers: 8-5-12-12-15 23-15-18-12-4; Sum of numbers: 124.
Hello World
8-5-12-12-15 23-15-18-12-4
Limits and caveats
- This is a puzzle and teaching cipher that is easy to break, so never use it to protect passwords or sensitive data.
- Digits and symbols in the text are dropped, and Arabic letters are not converted.
Questions about this tool
What does A1Z26 mean?
A maps to 1 and Z to 26, and every letter in between takes its position number.
How are words separated?
By a space when you use hyphens or commas, and by / when numbers are separated by spaces.
Why show the sum?
Some puzzles ask for a word's value; Hello World adds up to 124.