💻 Binary, Decimal & Hexadecimal Number Base Converter
Convert numbers simultaneously across Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8) in real time. 100% free.
Free No Signup Required Browser-Based
Dec (10)
255Bin (2)
11111111Hex (16)
0xFFOct (8)
377How to Use Binary, Decimal & Hexadecimal Number Base Converter
- Type a number into any input field (Decimal, Binary, Hex, or Octal)
- Watch all other number bases automatically convert in real time
📖 Technical Encyclopedia & Standards Reference
Convert numbers simultaneously across Decimal (Base 10), Binary (Base 2), Hexadecimal (Base 16), and Octal (Base 8) in real time. 100% free. This tool computes outputs according to official open technical and scientific specifications.
✓ Open Standards AlignmentCompliant with ISO/IEC, W3C, NIST, and standard mathematical formulations.
✓ 100% Client-Side / SecureZero server logging. Computations execute entirely in your local browser sandbox.
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Frequently Asked Questions
What are number bases (radix)?
A number base specifies the number of unique digits used to represent numbers: Decimal has 10 (0-9), Binary has 2 (0-1), Hexadecimal has 16 (0-9, A-F), and Octal has 8 (0-7).
How is Hexadecimal used in computer programming?
Hexadecimal provides a human-readable shorthand for binary byte data, where every 2 hex characters represent exactly 1 byte (8 bits) of memory.