Number Base Converter

HOT

Convert numbers between different bases (binary, decimal, hex, octal)

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Offline Processing
Instant Results
Number Input
Examples

Binary 1010

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Binary to all bases

Decimal 255

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Common decimal number

Hex FF

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Hexadecimal FF

Octal 777

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Octal permission bits

Conversion Results
Number Base Information
Binary (Base 2): Uses digits 0 and 1
Octal (Base 8): Uses digits 0-7
Decimal (Base 10): Uses digits 0-9
Hexadecimal (Base 16): Uses digits 0-9 and letters A-F
Common uses:
• Binary: Computer internal representation
• Octal: File permissions in Unix/Linux
• Decimal: Standard human counting
• Hex: Memory addresses, colors (#FF0000)
About This Tool

Convert numbers between different bases (binary, decimal, hex, octal)

Privacy & Security

  • • All file processing happens locally in your browser
  • • Your files never leave your device or get uploaded to any server
  • • No data collection, tracking, or storage of your files
  • • Works completely offline once the page is loaded

Keywords

numberbasebinaryhexdecimaloctal