Number Base Converter

Type one number and get binary, octal, decimal and hexadecimal at once. Everything runs locally.

Download for Windows Download for Android

Desktop: Windows　·　Mobile: Android

Number Base Converter desktop app on Windows

Highlights

Base conversion, done properly.

See all features

Four bases at once
Binary, octal, decimal and hex side by side.
Base 2 to 36
Pick the source base and the target base yourself.
Exact, no rounding
Rational maths keeps long decimals accurate.
Local processing
Nothing is uploaded, and it works offline.

Screenshots

A look at the desktop workspace and the mobile app.

Download

Available for Windows and Android.

Ready to convert

Open it and start - no account needed.

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