Frequently Asked Questions

Set a minimum and maximum, choose how many numbers you want, and click Generate. Each number is drawn using your browser's cryptographically secure random number generator, mapped evenly onto your chosen range.

Yes, completely free with no sign-up, no limits, and no ads blocking the tool.

Numbers come from the Web Crypto API's crypto.getRandomValues, the same cryptographically secure source used for generating passwords and encryption keys. Results are mapped onto your range using rejection sampling, so every value in the range is equally likely — there's no bias toward any particular number.

When enabled, every number in the result is unique — no value appears twice. This is useful for raffles, draws, and lottery-style picks. The count you request can't exceed the size of your range in this mode.

Yes. Enter any minimum and maximum, including negative values, as long as the minimum is less than or equal to the maximum.

Presets instantly fill in the range and count for common use cases: a six-sided die (1–6), a coin flip (shown as Heads or Tails), a twenty-sided die (1–20), a number from 1–10, a number from 1–100, or a 6-of-49 lottery-style unique pick.

Yes. Because it uses cryptographically secure randomness with unbiased range mapping, results are as fair as flipping a coin or rolling dice — no value in your range is more likely to appear than any other.

Up to 1,000 numbers in a single click, either with or without repeats.

No. Every number is generated locally in your browser. Nothing is sent to a server, stored, or logged.

Yes, the tool is fully responsive and works on any modern phone, tablet, or desktop browser.