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Number Base Converter
Type a number in any field and see it in every other base instantly. Big integers are handled exactly.
Free, no sign-up. Runs in your browser: nothing is uploaded.
How to use Number Base Converter
- Type a number in the base you have.
- All other bases update as you type.
- Copy any value.
Features
- Bases 2, 8, 10, 16 and custom up to 36
- Arbitrary-precision integers
- Grouped binary digits
Private by design
Everything you type is calculated by your browser on this device. Nothing is sent to openWorkstand or anyone else, so the Number Base Converter is safe for private and work data, and it keeps working offline once the page has loaded. How local processing works
When to use the Number Base Converter
- Convert hexadecimal color values.
- Learn binary for computer science.
- Debug bit flags.
Frequently asked questions
Why does hexadecimal use letters?
Base 16 needs sixteen digits, so after 0–9 it uses A–F for the values ten to fifteen.
Keep working with the result
openWorkstand also includes a free workspace with documents, spreadsheets, tasks, projects and a calendar that save to a folder on your computer.