Random Number Generator
Random whole numbers in any range, unique or repeating.
Your result appears here
Fill in the fields on the left and press Calculate. The answer, the breakdown and a copy button all land in this card.
How it is calculated
value = min + floor(random × (max − min + 1))
Numbers come from your browser's random generator, which is fine for games and draws but not for cryptographic keys.
Worked example
Asking for 6 unique numbers between 1 and 49 might return 4, 11, 23, 30, 38 and 45.
Questions people ask
It is pseudo-random: unpredictable in practice for everyday use, but generated by an algorithm rather than a physical process.
You cannot draw more unique numbers than the range contains. Widen the range or ask for fewer numbers.