How to use the binary converter
- Type a number into any of the four boxes — binary, octal, decimal or hexadecimal.
- The other three bases update as you type.
- Click a bit in the grid to switch it on or off; each is labelled with the power of two it stands for.
- Choose an 8, 16 or 32-bit grid.
What it does
- Binary (base 2), octal (base 8), decimal (base 10) and hexadecimal (base 16)
- A clickable bit grid with each place value labelled
- 8, 16 and 32-bit widths
- Exact with large numbers — no rounding at 20 or 32 bits
Questions
What is 202 in binary?
11001010. That is 128 + 64 + 8 + 2. The converter opens on 202 so you can see each bit's value in the grid.
How do I convert hexadecimal to binary?
Type the hex number, for example FF, in the Hex box; the binary box shows 11111111 at once.
Is it free?
Yes — free, with no account and nothing to install.
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