Random Number Generator
Generate random numbers for lottery tickets, raffles, giveaways, classroom picks, sampling and games — with true cryptographic randomness. “Pick a number between 1 and 100” decides giveaways and fair selections every day, and biased or patterned picks are embarrassing at best. This generator uses the browser's secure random engine (not the predictable Math.random most tools rely on), supports any range including negatives and decimals, and can draw multiple unique numbers at once for lottery-style picks. Need a quick dice roll or coin flip? Those are one tap away too.
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How to generate random numbers online for free
- 1
Enter the minimum and maximum values of your range.
- 2
Choose how many numbers to generate, and toggle “unique only” for raffles and lottery draws.
- 3
Enable decimals if you need fractional values.
- 4
Click “Generate” — results appear instantly and can be copied with one click.
Why use this random number generator tool?
Cryptographically random
Powered by the browser's secure random engine, giving fair, unpredictable draws — not the pseudo-random patterns of simpler tools.
Lottery & raffle mode
Draw multiple unique numbers in one go — perfect for 6/49-style picks, raffle winners and giveaway selections.
Any range, even decimals
From −1,000,000 to 1,000,000, whole numbers or decimals to any precision you need.
Dice & coin built in
Quick presets roll dice (d6, d10, d20) and flip coins for board games and instant decisions.