Number System Converter

Convert numbers between Binary, Decimal, Octal, and Hexadecimal.

Quick Bases

Understanding Number Systems (Offline)

A Radix (or Base) determines how many unique digits use to represent numbers. We use Base-10 (Decimal) in everyday life, but computers rely on Binary (2), Octal (8), and Hexadecimal (16).

Any Base to Any Base

Convert from Binary to Hex, Decimal to Octal, or any custom base (up to 36).

100% Privacy

Computations run in your browser. Perfect for developers working with sensitive keys or memory addresses.

Hexadecimal Support

Full support for Hex (Base-16) inputs like 'FF' or 'C0FFEE'.

Why choose UnitMaster?

  • Debug memory addresses.
  • Convert color codes.
  • Understand binary logic.
  • Learn computer math.

Frequently Asked Questions

Privacy Dashboard

Processing ModeOffline Ready
Client-Side (WASM)

Calculations happen locally. No data sent to servers.

Network Requests
DESTINATION
STATUS
AnalyticsAllowed
AdSenseAllowed
File UploadsNone

Incognito Mode

Base Converter - Binary, Octal, Decimal, Hex Offline | UnitMaster - Offline Developer Tools