Generate unique random numbers instantly. No duplicates — every number appears only once.
Unlike standard random generators, this tool ensures that no number is repeated. Each generated number is removed from the available pool before the next one is selected.
This guarantees fairness and uniqueness, making it ideal for draws, assignments, and sampling without replacement.
A unique random number generator produces numbers randomly without duplicates. Once a number is generated, it cannot appear again in the same result set.
5 unique numbers between 1 and 10: 2, 5, 7, 1, 9
10 unique numbers between 1 and 100: All values are different
Unique draw: Each participant wins only once
No. If you request more numbers than available in the range, the generator will show an error.
The numbers are pseudo-random and suitable for most practical uses. Each number is selected randomly from the remaining unused values.
Each generation is independent, so results may differ every time.
Imagine drawing numbered balls from a box. Once a ball is drawn, it is not returned — ensuring every number is unique.