Random Number Generator

Draw one number or a whole set from any range. Useful for prize draws, picking a winner, games and sampling.

More settings

Press Generate

Numbers come from your browser’s cryptographic random source, so every value in the range is equally likely. Both ends of the range are included.

Runs in your browser. What you enter here is not sent to our server.

  • Any range, one or many numbers
  • No-repeat option for draws
  • Unbiased cryptographic source

How to use the Random Number Generator

  1. Set the lowest and highest numbers.
  2. Choose how many to draw.
  3. Select Generate.

Running a fair draw

Number your entries from 1 upwards, set the range to match, and tick No repeats if you are drawing several winners. Record the result and the time, or share your screen while you draw, so participants can see it was done once.

Questions about the Random Number Generator

How random are the numbers?

They come from the cryptographic random generator in your browser, and the method avoids the slight bias simple approaches introduce.

Can I draw lottery-style numbers?

Yes. For six numbers from 1 to 49, set the range, ask for 6 and tick “No repeats”.