Number Base Converter
Convert numbers between binary, octal, decimal, and hex
What is Number Base Converter?
Number Base Converter transforms numbers between binary (base 2), octal (base 8), decimal (base 10), hexadecimal (base 16), and custom bases up to 36.
When to use this tool
- Converting hexadecimal color codes to decimal for CSS calculations
- Debugging binary representations of integers
- Learning how number base systems work
- Converting between programming number formats
How it works
Accepts input in any base (2–36) and displays the equivalent value in all common bases simultaneously. Supports both integer and fractional parts using positional notation.
Examples
About Number Base Converter
Convert numbers between binary, octal, decimal, and hex It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
- •Test and debug regular expressions
- •Parse cron expressions in plain English
- •Format SQL, XML, and YAML
- •Convert between number bases instantly
Last updated: 2025-01-15
FAQ
Convert numbers between binary, octal, decimal, and hex
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.