The Number Base Converter converts any integer from one base to all common bases simultaneously — binary (2), octal (8), decimal (10), hexadecimal (16), and custom bases up to 36. Supports uppercase output for hex and base-36.
Yes. The Number Base Converter is completely free with no sign-up and no limits.
No. All calculations run in your browser using JavaScript. Nothing is sent to any server.
Yes. Once the page is loaded, all computations work without an internet connection.
Yes, it works in any modern browser on desktop, tablet and mobile.