Can Random Number Generator repeat values by default?

No. Unique mode is the default; switch repeat mode to allow repeated values.

What limit applies to unique mode?

In unique mode, count cannot exceed the size of the min/max range.

It prefers browser crypto.getRandomValues and falls back to Math.random if unavailable.

Generate one or more random integers within a range

Runs locally in your browser; input is never uploaded

Calculators & Converters

MinMaxCountRepeat mode

Set min, max, count and repeat mode, then run. Unique mode is the default and the output contains only the copyable random number list.

1.
Can Random Number Generator repeat values by default?
No. Unique mode is the default; switch repeat mode to allow repeated values.
2.
What limit applies to unique mode?
In unique mode, count cannot exceed the size of the min/max range.
3.
Where does randomness come from?
It prefers browser crypto.getRandomValues and falls back to Math.random if unavailable.