Random Number Generator Without Repeats

Generate a set of unique random numbers with no duplicates. Perfect for raffles, lotteries, and fair selections.

Your Random Numbers

Your random numbers will appear here

Frequently Asked Questions

What is a random number generator without repeats?
A random number generator without repeats (also called a unique random number generator) produces a set of random numbers where each number appears only once. Unlike standard random number generators that might produce duplicates, this tool ensures every number in the output is unique.
What can I use this for?
This tool is perfect for:
  • Raffles and prize drawings
  • Lottery number selection
  • Randomly assigning teams or groups
  • Selecting unique samples from a population
  • Creating random test questions
  • Generating unique IDs or codes
Is there a limit to how many numbers I can generate?
You can generate up to 1,000 unique numbers at once. Keep in mind that the range between your minimum and maximum values must be at least as large as the number of unique values you want to generate.