Number-base converter

Convert arbitrarily large integers between bases 2 to 36.

Processed on your device

Input

Open a local UTF-8 text file5 MiB maximum. The file opens in the text box above.Or drop a file here.

Options

Options

How to use this tool

  1. Enter an integer using digits valid in the source base.
  2. Choose source and destination bases between 2 and 36.
  3. Negative integers are supported; fractions are not.

Things to know

  • Processing happens on your device. Check the result before replacing your original data.
  • Each text input accepts up to 5 MiB. Output is limited to 25 MiB and combined text settings to 1 MiB.
  • Integers accept at most 100,000 source digits.