Number Base Converter
Convert numbers between binary, octal, decimal, and hex
About Number Base Converter
Convert numbers between different bases: binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Essential for programmers working with different number systems. Use this number base converter for binary, hex, decimal, octal. Built for converters workflows with practical output quality. Key capabilities include Binary, octal, decimal, hex conversion, Custom base support (2-36), Bit grouping display. Runs securely in your browser with no installation and no account required.
This free online number base converter runs directly in your browser with no installation required. It is designed for users searching for accurate results, fast processing, and privacy-first workflows.
Why use this number base converter?
Use this tool to complete number base converter workflows quickly and accurately without sending data to third-party services. It is designed for practical browser-based usage and reliable output.
- Binary, octal, decimal, hex conversion
- Custom base support (2-36)
- Bit grouping display
- Large number support
- Step-by-step conversion explanation
Frequently Asked Questions
What number bases are supported?
Common bases include binary (2), octal (8), decimal (10), and hexadecimal (16). You can also convert to any base from 2 to 36.
How do I read hexadecimal numbers?
Hexadecimal uses 0-9 and A-F where A=10, B=11, C=12, D=13, E=14, F=15. For example, 0xFF = 255 in decimal.
Common use cases
Teams and individuals use this number base converter for debugging, validation, data cleanup, testing, and repeatable browser-based workflows.
Because it runs directly in your browser, it helps reduce setup time and speeds up tasks that would otherwise require scripts, local tooling, or external SaaS utilities.