Random Number Generator

Generate cryptographically random numbers in any range you choose.

Min

Max

How many

No repeats

Fair randomness

We use crypto.getRandomValues — the same cryptographic randomness behind secure web protocols — not the predictable Math.random(). Every number in your range has exactly equal odds.

Frequently Asked Questions

Is it truly random?

Yes — cryptographic randomness from your device, suitable for draws and giveaways.

What does 'no repeats' do?

Each number appears at most once — ideal for raffle draws.

Can I generate lottery numbers?

Yes, set min 1, max 49 (or your lottery's range), count 6, no repeats.