Encoders & Converters
Number Base Converter
Convert a number between binary, octal, decimal, and hex.
❓ Frequently Asked Questions
What is the Number Base Converter used for?
Convert a number between binary, octal, decimal, and hexadecimal.
Is the Number Base Converter free and private?
Yes — it's completely free and runs entirely in your browser. Whatever you enter stays on your device and is never uploaded to any server.
Do I need to install anything to use the Number Base Converter?
No. It works in any modern web browser on desktop, tablet, or phone — no downloads, no browser extensions, and no account required.