Number base converter for arbitrary large numbers

HEX/BIN/OCT/DEC and other bases


Enter the number to be converted, select the conversion type and hit enter or press calculate.



from to




Enter numbers without any prefix. That is: write hex numbers without 0x and octal numbers without leading zeros.

This page is operting system independent. It only requires a javascript capable webbrowser. You can install it locally on your PC just by saving this html page.

© Guido Socher, License: MIT, Version: 2018-04-29