About Number Base Converter
Number Base Converter is a free, private tool that runs entirely in your web browser. It converts numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) with live cross-conversion as you type. Because everything happens locally on your device, your data is never uploaded to a server. There is no sign-up or installation required, and it works offline. It supports arbitrarily large integers via BigInt, so there is no overflow limit. Like every free tool by Digital Heroes, it is 100% free with no limits.
Frequently asked questions
Is Number Base Converter free?
Yes, Number Base Converter is completely free for everyone. No sign-up, no account and no usage limits.
Is it private? Are my files uploaded anywhere?
No. Number Base Converter runs entirely in your browser on your own device, so your data never leaves your computer and nothing is uploaded to a server.
Does it work offline?
Yes. This tool is a Progressive Web App, once the page has loaded it keeps working offline, and you can install it as an app from your browser.
Do I need to install anything or create an account?
No. Just open the page and start using it. Installing it as an app is optional and only adds offline convenience.
What does Number Base Converter do?
It converts integers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16) in real time. It also shows nibble-grouped binary, bit length, byte length, and supports very large integers using BigInt with no overflow.