Random Number Generator
Generate random whole numbers within a range you set — useful for raffles, sampling or test data.
- Runs in Your Browser
- Instant Results
- 100% Private
What Is a Random Number Generator?
This tool generates one or more random whole numbers within a minimum and maximum range that you choose, with an option to allow or disallow duplicate values across a batch — useful for anything from picking a raffle winner to generating sample data.
Randomness is sourced from your browser's built-in random number generator, giving an even, unbiased distribution across the chosen range.
Who Uses This Tool?
For Business
Randomly select a winner from a list of numbered entries.
For Personal Use
Pick a random number for a game or decision.
For Students
Generate random sample data for a statistics assignment.
For Offices
Generate random test values within a specific numeric range.
Key Features
Custom Range
Set any minimum and maximum value, including negative numbers.
Bulk Generation
Generate up to 100 numbers at once, with or without duplicates.
Instant Results
Numbers are generated immediately, with one click.
100% Private
Generated entirely in your browser — nothing is transmitted.
Benefits
Fair and Unbiased
Every number in the range has an equal chance of being picked.
Flexible Range
Works for small ranges like dice rolls or large ranges like raffle numbers.
No Software Needed
Generate numbers directly in the browser — no spreadsheet formula required.
How to Use Random Number Generator
Set Min, Max & Quantity
Choose the range and how many numbers to generate.
Click Generate
Random numbers appear instantly within your chosen range.
Copy the Result
Use the Copy button to grab the generated numbers.
Technical Details
| Detail | Value |
|---|---|
| Input | Generated text output, no input required |
| Processing | Up to 100 numbers per generation |
| Output | Uniformly distributed using your browser's random number source |
Privacy & Security
What actually happens to your file when you use this tool.
100% Client-Side
This tool runs entirely inside your browser using JavaScript — nothing you type or generate is ever sent anywhere.
No Upload, Ever
There is no file upload and no server processing step — your data never leaves your device.
Works Offline
Once this page has loaded, the tool keeps working even without an internet connection.
Nothing Stored
Nothing you enter is saved on our servers — refreshing the page clears everything.
No Tracking of Your Input
We have no way to see what you type, generate or convert with this tool.
Tips
Disable Duplicates for Raffles
Turn off "allow duplicates" when picking unique raffle or lottery numbers.
Use a Wide Range for Better Randomness Perception
A wider range makes patterns less noticeable across a generated batch.
Frequently Asked Questions
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