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Number Base Converter

Convert numbers between binary, octal, decimal, hexadecimal, and custom bases. Real-time conversion with copy and validation.

Number to Convert

Source Base

Common Presets

Two's Complement (negative)

Related Articles

DeveloperMay 24, 2026

Number Bases Explained — Binary, Octal, Decimal & Hexadecimal for Developers

Understand number bases (binary, octal, decimal, hexadecimal) and how to convert between them. Includes examples and our free number base converter tool.

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