Random Number Generator
Generate one or more random whole numbers within a range you choose.
| Minimum | |
| Maximum | |
| How many | numbers (1-100) |
| Unique |
Result
Your numbers will appear here.
How it works
Generates random integers within a range you choose. Values are produced by the browser’s random number functions for convenience.
Notes
- Each number in the range is intended to be equally likely. For games, draws, or simulations, check that the range/options match what you need.
- Not intended for security-sensitive cryptographic key generation.
For general information and convenience.
How to use the Random Number Generator
It takes a few seconds, and every figure is calculated in your browser.
- Enter the minimum value.
- Enter the maximum value.
- Choose how many numbers to generate.
- Tick this if every number must be different.
- Press Calculate — the result appears in the dark panel beside the form.
- Use Copy, CSV, Share or Print under the result if you want to keep it.
Random Number Generator — frequently asked questions
How does the Random Number Generator work?
Generates random integers within a range you choose. Values are produced by the browser’s random number functions for convenience.
What assumptions and limitations should I know about?
Each number in the range is intended to be equally likely. For games, draws, or simulations, check that the range/options match what you need. Not intended for security-sensitive cryptographic key generation.
Last updated 10 November 2026 · Formula, worked example and assumptions are documented above, and every result is calculated in your browser.