Random Number Generator
Generate random numbers in a range with custom options
About the Random Number Generator
This random number generator produces random integers within a range you define. Set the minimum and maximum values, choose how many numbers to generate (up to 1,000), and optionally allow or disallow duplicates, and sort the output in ascending order.
Common uses include picking lottery numbers, generating random samples for statistics, creating test data, assigning random numbers in games, choosing random participants for a prize draw, and any application where unbiased random integers are needed. The "no duplicates" option is useful when you need a random selection without repeats, such as randomly ordering a list of items.
Frequently asked questions
Are the numbers truly random?
They use the browser's random source, which is a high-quality pseudo-random generator seeded from system entropy. For most uses — games, picking samples, simulations — it's indistinguishable from true randomness.
What if I need numbers without duplicates?
Toggle the 'no duplicates' option. The generator then samples without replacement, so each number can appear at most once across the result set.