Number Base Converter: Decimal, Binary, Hex, Octal
Convert numbers instantly between common bases (Decimal, Binary, Hexadecimal, Octal). Fast, secure, and purely processed in your browser.
17 uses
100% client-side processing
Input & Conversion
Input Number
Converted Results (Base 10 Reference: 0)
Base System Guide
The base, or radix, defines how many unique digits (including zero) are used to represent numbers.
- Base 2 **Binary:** Uses only 0 and 1. Fundamental in computing.
- Base 8 **Octal:** Uses digits 0-7. Used in older computing systems.
- Base 10 **Decimal:** The standard system used worldwide (digits 0-9).
- Base 16 **Hex:** Uses 0-9 and A-F. Common for color codes and memory addressing.
Features
- Instant, live conversion as you type.
- Secure client-side logic (No server processing).
- Copy button included for each result field.