Random Number Generator
Pick random numbers in any range, with an option to avoid repeats. Great for raffles, sampling and test data. Free.
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Scan to open on your phone
Point your phone camera at the code to open this tool.
Pick random numbers in any range, with an option to avoid repeats. Great for raffles, sampling and test data. Free.
How to use Random Number Generator
- Open the toolNo signup and nothing to install; it works as soon as the page loads.
- Set “Minimum”
- Set “Maximum”
- Set “How many”
- Set “Unique values only”
- Read the resultChange any input and the result is recalculated immediately.
Nothing you enter leaves your device
All of the work happens inside your browser. Whatever you type is never packaged up and sent to a server, and no request this page makes carries it.
That makes it safe for contract amounts, personal details and internal documents you would rather not hand to a third party — close the tab and it is gone.
What this tool does not do
Random Number Generator only does what a browser can do on its own — it talks to no backend service. So it keeps no history for you and syncs nothing across devices; if you need a record, copy or download the result.
It is also not a substitute for professional judgement. For legal, medical or tax decisions, treat the output as a starting point rather than a final answer.
Frequently Asked Questions
- Is the result truly random?
- Yes. Numbers come from the browser's cryptographic random generator, which is suitable for raffles and sampling.
- Can I generate numbers without repeats?
- Yes. Turn on "unique values" and every number in the list will be different.
- What happens if I ask for more unique numbers than the range holds?
- The tool tells you the range is too small rather than returning duplicates.