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Number base converter

Binary, decimal, hex, and every base from 2 to 36.

0 characters10K limit
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About Number base converter

Change the notation of an integer while keeping its exact value. Bases above ten use letters as additional digits, such as A through F in hexadecimal.

Steps, example, and limitations

How to use it

  1. Set the source base and enter an integer.
  2. Choose the target base and convert.
  3. Copy the result in the requested notation.

Example

Input

Decimal: 255

Result

Binary: 11111111
Hexadecimal: FF

Things to know

  • This converter is for integers, not fractional or floating-point notation.
  • A digit must be valid for its base. For example, 2 is not a binary digit.

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Preferences

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Tool input stays in memory and is cleared when you leave the page. Downloaded files are managed by your browser. AI model caches, when used, are separate from these preferences.