About this random number tool
This random number generator picks whole numbers in any range you choose – 1 to 10, 1 to 100, 1 to a million. Generate a single lucky number or up to 100 at once, and switch off duplicates when you need unique numbers for a raffle, lottery-style draw or seating plan.
Numbers come from your browser's cryptographically secure random generator with no modulo bias, so every number in the range has the same probability. Digit adds a slot-machine roll for suspense.
How to use it
- Set the minimum and maximum numbers.
- Choose how many numbers you want and whether duplicates are allowed.
- Press “Generate” and watch the numbers roll.
Random Number FAQ
How do I pick a random number between 1 and 100?
Leave the minimum at 1, set the maximum to 100 and press Generate. Every number from 1 to 100 has an equal 1% chance.
Can I generate unique numbers with no repeats?
Yes. Untick “Allow duplicates” and every number in the result will be different. The amount cannot be larger than the size of the range.
Is it truly random?
It uses crypto.getRandomValues, a cryptographically secure source of randomness built into modern browsers, with rejection sampling to avoid bias.