Business
Random Number Generator
Produce random integers within any range using the browser's crypto API. Set the minimum, maximum and how many to generate (up to 1000), require unique values, and optionally sort the output. Results are validated for feasibility and easy to copy.
Examples
Input
Min 1, Max 100, count 5, unique
Output
7, 23, 41, 58, 92
How to use Random Number Generator
Define the range
Enter the minimum and maximum values for your random numbers.
Set the count and options
Choose how many to generate and toggle unique-only or sorted output.
Copy the results
Numbers appear in the list with a summary; copy or download them.
Why use this tool
Cryptographically secure (crypto API)
Unique values option
Optional ascending sort
Range and feasibility validation
Frequently asked questions
Using crypto.getRandomValues with rejection sampling for a uniform distribution.
The tool detects this and shows a warning instead of producing duplicates.
Discussion
Share feedback or ask a question about this tool.
Comments are stored to a moderated queue via the API.