Number Base Converter
Convert whole numbers between decimal, binary, hexadecimal and octal — exactly, at any size.
Result
11111101010
How it works
The number is read in the source base and rewritten in the target base using exact big-integer math.
Questions
- How does the number base converter work?
- The number is read in the source base and rewritten in the target base using exact big-integer math.
- Is my input sent to a server?
- No. Conversion happens in your browser.
Related tools
- Text to Binary (UTF-8) ConverterConvert text to its UTF-8 bytes in binary, and binary back to text.
- Color Code ConverterConvert colors between HEX, RGB and HSL with a live preview.
- Data Storage ConverterConvert bytes, kilobytes, megabytes, gigabytes and binary units like MiB and GiB.
- Data Transfer Rate ConverterConvert internet and network speeds — Mbps, Gbps, MB/s, MiB/s and more.
- Typography ConverterConvert CSS and print type sizes — pixels, points, picas, em and rem.
- Password GeneratorGenerate strong random passwords in your browser — nothing is stored or sent anywhere.
Want this on your site? Embed the number base converter.