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Processing varies by tool. Check the instructions for local processing, server requests, external services and any file or request limits before entering sensitive information.
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Random Number Generator
Choose random integers within a minimum and maximum range.
- 1 Enter Minimum, Maximum and How many numbers.
- 2 Select No duplicates and Sort results if needed.
- 3 Click Generate and copy the resulting numbers.
Example and practical tips
Pick five distinct integers from 1 through 20 for a sample selection.
Frequently asked questions
Why is a unique request rejected?
You cannot request more distinct integers than the selected range contains. Increase the range or lower the count.
Can this generate decimal fractions?
This interface generates integers; fractional boundaries are rounded to the included integer range.
Practical guides
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How to Use Random Number Generator
Generate random numbers between any minimum and maximum, one or many at a time, with or without repeats. Free online random number generator.
Report an issue
Something broken or not quite right? Tell us and we will look into it.