Yes. All 42 tools are 100% free with no signup, no ads in your face, and no hidden limits. The core tools will always be free.

Do AHX tools upload my data to a server?

No. Every tool runs entirely in your browser using JavaScript. Your data never leaves your device.

Can I use AHX offline?

Yes. Once the page has loaded, every tool works without an internet connection. AHX is installable as a PWA.

Is Number Base Converter free?

Yes. Number Base Converter is 100% free with no signup and no usage limits.

Does Number Base Converter upload my data?

No. Number Base Converter runs entirely in your browser. Your data never leaves your device.

Do I need to install anything?

No. Number Base Converter works in any modern web browser. Just visit the page and start using it.

AHX

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

From base

Number

Custom base (2-36):

Runs entirely in your browser. No data leaves your device.

About Number Base Converter

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) instantly. Type in any base and see the result in all other bases. Everything runs in your browser.

Common use cases

Convert binary to hex for programming
Convert decimal to binary for digital logic
Work with color codes (hex to decimal RGB)
Debug memory addresses and bitmasks

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