Random Number Generator
Generate random numbers within any range. Set min, max, and quantity. Quick presets for dice, coins, and lottery. Free online picker.
About this tool
Generate cryptographically secure random numbers within any range. Uses the Web Crypto API for true randomness, not the weaker Math.random(). Perfect for games, lotteries, simulations, and decision-making.
All generation happens in your browser. No numbers are sent to any server.
tuneSettings
boltQuick Presets
Frequently Asked Questions
Are the numbers truly random?
Yes. The tool uses the Web Crypto API for cryptographically secure random number generation, not Math.random().
Can I avoid duplicate numbers?
Yes. Toggle 'Allow duplicates' off to generate only unique numbers within your range.
What are the quick presets?
Dice (1-6, 1 number), Coin Flip (0-1, 1 number), and Lottery (1-49, 6 unique numbers).