NexTool

Number Base Converter

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). See all conversions simultaneously with bit visualization.

Enter a number above to see it converted across all bases.

How to Use Number Base Converter

  1. 1Enter a number in any base.
  2. 2Select the input base from the dropdown.
  3. 3View instant conversion to all four bases.

Frequently Asked Questions

What number bases are supported?▾

Binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16).

How large of a number can I convert?▾

Supports standard JavaScript number precision (up to 2^53).

What is hexadecimal used for?▾

Colors (#FF0000), memory addresses, and byte values. Each hex digit = 4 binary bits.

About Number Base Converter

Convert numbers between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). See all conversions simultaneously with bit visualization.

NexTool's Number Base Converter is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.

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