How to use this converter
- Type a value in the source base.
- Choose the base you are converting from and to.
- Read the converted value instantly.
Example
Hexadecimal FF equals binary 11111111 and decimal 255.
How it works
The input is parsed digit by digit into an integer, then written out in the target base.
Frequently asked questions
Which characters are valid?
Digits 0-9 and letters A-F. Letters are case-insensitive and limited by the chosen base.
Can it handle large numbers?
Yes. It uses arbitrary-precision integers, so very large values convert exactly.