What is Base Converter?

Convert numbers between binary, octal, decimal and hexadecimal.

Is Base Converter free to use?

Yes — Base Converter is free to use, with no sign-up, no install and no account.

No — Base Converter runs entirely in your browser, so your text, files and results never leave your device.

No — it works in any modern browser (Chrome, Edge, Firefox, Safari) with no downloads, accounts or plugins.

What is Base Converter?: Convert numbers between binary, octal, decimal and hexadecimal.
Is Base Converter free to use?: Yes — Base Converter is free to use, with no sign-up, no install and no account.
Does Base Converter upload or store my data?: No — Base Converter runs entirely in your browser, so your text, files and results never leave your device.
Do I need to install anything to use Base Converter?: No — it works in any modern browser (Chrome, Edge, Firefox, Safari) with no downloads, accounts or plugins.