Random Number Generator

Generate random integers in a range using the browser's cryptographic RNG (crypto.getRandomValues), with optional uniqueness and copyable results. Nothing is stored.

Generate random integers in a range using crypto.getRandomValues.

    0 numbers

    Output ready, 25 B

    How to use Random Number Generator

    1. Set the minimum and maximum values.
    2. Choose how many numbers to generate and whether duplicates are allowed.
    3. Generate and copy the results.

    Frequently asked questions

    Is Math.random used?

    No. Generation uses crypto.getRandomValues for better randomness.

    Can I avoid duplicate results?

    Yes. Enable the unique option.

    What if the range is smaller than the requested count?

    The tool reports an error when unique output is impossible.

    Are results saved?

    No. Results exist only in your browser.