Base Converter
Convert numbers between binary, decimal, hex, and octal.
Runs entirely in your browserNo file uploadsPrivacy-first
TL;DR
Convert numbers between binary (base 2), decimal (base 10), hexadecimal (base 16), and octal (base 8).
Binary
0b11111111Octal
0o377Decimal
255Hexadecimal
0xFFQuick examples:
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What is Base Converter?
Base Converter transforms numbers between different numeral systems used in programming and computing.
When Should You Use This Tool?
Use when programming, debugging, or working with low-level data representations.
How to Use Base Converter
- 1Enter a number in any base.
- 2See conversions to all other bases instantly.
- 3Copy the format you need.
How Does This Tool Work?
Uses JavaScript parseInt and toString with radix for base conversion.
Privacy Note: Runs entirely in your browser. Your data never leaves your device. No file uploads to any server.
Common Use Cases
Developers
Convert hex color codes, memory addresses.
Students
Learn number systems.