How to use number base converter
Convert whole numbers between bases 2, 8, 10 and 16 using exact large-integer arithmetic. Preserve values beyond normal floating-point precision.
- Enter a sample value, color, URL or structured input.
- Choose the required format or options and run the tool.
- Review the output and copy it into your own workflow.
Try this next
Convert hexadecimal FF to decimal 255 and binary 11111111.
Enter a whole number in the selected base. Fractional radix conversions and signed two’s-complement interpretation are not included.
Questions, answered.
Is number base converter free to use?
Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.
What should I check before using the result?
Enter a whole number in the selected base. Fractional radix conversions and signed two’s-complement interpretation are not included.
Does this tool upload my files or text?
The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.