Convert between binary, decimal, hexadecimal, octal, and base-32 number systems.
0
0
Number
Binary
-
More about the Base Number Converter
Binary, decimal, and hex get most of the attention, but octal and base-32 both still show up in specific, easy-to-forget places: Unix file permissions are written in octal, chmod 755 means something very different from the decimal number 755, and base-32 turns up in two-factor authentication secret keys and in ID formats designed to avoid visually confusing characters like 0 and O. This tool converts a number between all five systems, binary, octal, decimal, hexadecimal, and base-32, at once, so a permission value, an authentication secret, or a plain number all translate correctly regardless of which base it started in. Useful for decoding what a chmod octal value actually grants, converting a base-32 TOTP secret into a more familiar system to double-check it, or settling what an unfamiliar number actually represents across every base at once.
Convert between binary, decimal, hexadecimal, octal, and base-32 number systems. The Base Number Converter is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the Base Number Converter?
Open the Base Number 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 Base Number Converter free to use?
Yes. The Base Number 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 Base Number Converter safe and private?
Yes. The Base Number 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 Base Number Converter produce?
The Base Number 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 Base Number Converter work on mobile devices?
Yes. The Base Number 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.
Is my data kept private when I use the Base Number Converter?
Yes. The Base Number Converter converts everything locally in your browser. Nothing is uploaded, logged, or stored on a server, so it's safe to paste confidential data while debugging.
Can I convert multiple files at once with the Base Number Converter?
The Base Number Converter processes one input at a time. For batch conversions of multiple files, you can paste each input individually. Since the tool runs locally in your browser, there are no rate limits or daily caps that would prevent you from converting as many items as you need.
Can I use the Base Number Converter offline?
Once the page has loaded, the Base Number Converter continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.