Number Base Converter
Convert between binary, octal, decimal, and hexadecimal instantly. Runs entirely in your browser.
Binary (base 2)
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Octal (base 8)
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Decimal (base 10)
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Hexadecimal (base 16)
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Examples
How to Use the Number Base Converter
- Enter a number in the input field and select its base (decimal, binary, octal, or hex).
- All four representations update instantly as you type.
- The visual binary section shows bits grouped in nibbles (4 bits) for easy reading.
- Click any Example to load a pre-set value.
Specifications
- Accepts
- No file needed
- Gives you
- copy to clipboard
- Where it runs
- Your browser — the file is never uploaded
- Sign-up
- None
- Cost
- Free, with no usage limits