Uses for a random number generator
- Pick a raffle or giveaway winner by ticket number.
- Generate lottery-style number sets without duplicates.
- Roll dice (1–6), flip a coin (1–2) or choose a random question.
Frequently asked questions
Is the result truly random?
Yes. We use your browser’s cryptographically secure random number generator (crypto.getRandomValues), the same source used for encryption keys.
Can I generate numbers without repeats?
Yes. Keep “No duplicates” ticked. The range must contain at least as many numbers as you request.