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Developer & data · By AIXpress

Number Base Converter

Convert whole numbers between bases 2 through 36 using exact integer arithmetic, including very large values.

Developers converting binary, hexadecimal, decimal, and arbitrary-base identifiers.

Free to use. Your inputs are processed in this browser and are not included in usage analytics.

Optional + or - sign; 0x, 0b, or 0o prefixes are allowed for matching bases.

How to use number base converter

  1. Enter a whole number and its current base.
  2. Choose the output base from 2 through 36.
  3. Convert to an exact result; letters in the output are uppercase.

What to know about the result

  • Uses BigInt, so large integer values keep their precision. Input is limited to 4,096 digits.
  • Fractions, decimal points, separators, and exponent notation are not supported.

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