Random
Random Number
True randomness from the crypto API. You can also request that all numbers be unique.
Enter Draw
Esc Clear
Result
Set a range and click "Draw" to get random numbers
What does Random Number?
A random number generator that draws one or more numbers within a range you define — with an option to prevent repeats.
How to use Random Number?
- Set the minimum and maximum of the range.
- Choose how many numbers to draw and whether to allow repeats.
- Click "Draw" (Enter) to get results.
Key features
- Draw 1 to 100 numbers at once
- Unique mode — no number is drawn twice
- Uses Web Crypto API for reliable randomness
Frequently asked questions
Are the numbers truly random?
Yes. The tool uses the browser's Web Crypto API — cryptographic randomness, not pseudo-random.
What if I request more unique numbers than the range allows?
The tool shows a clear error explaining the problem — it will not draw outside the range.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.