Free Number Base Converter
Convert numbers between binary (base-2), octal (base-8), decimal (base-10), and hexadecimal (base-16) formats. Enter a number in any base and see the equivalent values in all formats simultaneously. Perfect for programming, networking (IP/hex), color codes, and computer science education.
How to Use
- Enter a number in any base
- Select the input base
- All other bases update automatically
Privacy
All conversion happens locally. No data is transmitted.
Last reviewed: July 2026.