Number Base Converter
Convert a number between binary, octal, decimal, hexadecimal and any base from 2 to 36. Type in any field and the rest update instantly. Everything runs locally in your browser.
New to this? Read the Base Converter guide →
(2–36)
Whole numbers only, of any size (arbitrary precision). Letters a–z stand for digit values 10–35. Computed locally — nothing is uploaded.