Convert between binary, decimal, hexadecimal, and octal number systems. Support for signed integers and more.
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Number
All bases
Binarybase 211111111
Octalbase 8377
Decimalbase 10255
Hexbase 16FF
More about the Binary Converter
A negative number in binary isn't just a positive number's bit pattern with a minus sign tacked on, it's represented through two's complement, a specific encoding where flipping every bit and adding one produces the negative equivalent, which is genuinely non-obvious the first time you actually need to read or construct a negative binary value by hand. This tool converts between binary, decimal, hexadecimal, and octal with explicit support for signed integers, correctly handling the two's complement representation rather than only covering positive, unsigned values. Useful for understanding how a negative number is actually stored in binary rather than guessing at the pattern, converting a signed integer between number systems without the negative sign getting lost or misrepresented, or working through a systems programming or computer architecture problem that specifically deals with signed binary representation.
Convert between binary, decimal, hexadecimal, and octal number systems. Support for signed integers and more. The Binary Converter is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Binary Converter?
Open the Binary Converter on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the Binary Converter free to use?
Yes. The Binary Converter is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the Binary Converter safe and private?
Yes. The Binary Converter processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
What kind of output does the Binary Converter produce?
The Binary Converter produces clean, formatted output that you can copy or download with a single click. The output is tailored to the tool's purpose — formatted code, converted data, transformed text, or processed media — and is ready for immediate use in your project or workflow.
Does the Binary Converter work on mobile devices?
Yes. The Binary Converter is designed to work on any device with a modern browser, including phones and tablets. The interface adapts to smaller screens, and the core functionality — paste input, transform, copy output — works the same way regardless of your device.
Do I need to install anything to use the Binary Converter?
No. The Binary Converter runs entirely in your browser - no downloads, no accounts, no API keys. Paste your input, get the output, copy it back into your editor.
Can the Binary Converter handle large input files or long text?
Yes. The Binary Converter processes everything locally in your browser, so the only limit is your device's available memory. There are no arbitrary caps on input size, character count, or processing time that you would typically encounter with server-based tools.
Can I use the Binary Converter offline?
Once the page has loaded, the Binary Converter continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.