Generate random numbers

Generate random numbers within a custom range
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Result

About this tool

Generate one or many random numbers within a custom range. This free online tool is useful for testing, sampling, lotteries, simulations, coding, and quick number generation without needing any software installation.
  • 100% free. No registration required.
  • Runs in the browser. No data is sent to the server.
Available via the API.

Limits

Unlimited usage via the browser.
When used via the API:
Plan Free - 1 000 requests / month
Plan Plus - 10 000 requests / month
Plan Pro - 100 000 requests / month
Plan Max - 300 000 requests / month
Learn more about plans and pricing.

Tips

  • Use a larger range when you need more variety in the generated values.
  • Use this tool to create test data for apps, scripts, or random sampling needs.
  • Enable uniqueness option when you need distinct values without repetition.
  • Use zero padding for consistent number formatting in your test data.
  • Sort the results for easier review and analysis of generated values.

Frequently Asked Questions

  • How random are the generated numbers?

    Numbers are generated using your browser's random number functions, which are suitable for general-purpose use such as testing, sampling, and games.
  • Can I generate more than one random number at a time?

    Yes, you can specify how many random numbers to generate within your chosen range, all in a single request.
  • Can the same number appear more than once?

    Yes, by default each number is generated independently, so duplicate values can appear when generating multiple numbers, unless you need unique values from a small range.
  • Is my data sent to a server?

    No, random number generation happens directly in your browser. No data is sent to a server for processing.
  • Is the tool free to use?

    Yes, the tool is completely free to use with no account required and no usage limits when used in your browser.

Something missing?

Feel free to contact us if you have any suggestions or found a bug.

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