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Number Base Converter for Binary, Octal, Decimal, and Hex

Convert numbers between binary, octal, decimal, and hexadecimal locally in your browser. Useful for embedded debugging, bitwise checks, and address inspection.

Quick switch→Multi-Base Converter
RadixConverterDeveloper
Quick switch:Multi-Base ConverterASCII Hex ConverterBinary Text Converter

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Use cases

  • Compare embedded register values
  • Verify bitwise operation results
  • Map hexadecimal addresses to decimal

How to use

  1. Enter a value and choose the input base
  2. Review the other base representations
  3. Copy the form you need

Example input and output

Decimal

255

Other bases

binary 11111111 / octal 377 / hex FF

FAQ

Which bases are supported?

Binary, octal, decimal, and hexadecimal conversions are supported.

How is this different from a multi-base converter?

This tool targets the common four bases for fast conversion. Use a multi-base tool when you need custom radices.

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Binary Text Converter

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ASCII Hex Converter

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