Random Number Generator
Generate random numbers within a range. Supports integers, decimals, and multiple results.
Whether you need a dice roll, a lottery pick, random sampling for research, or test data for development, this random number generator delivers cryptographically secure random numbers within any range you specify.
Generate up to 1,000 numbers at once with options for integer-only or decimal output and duplicate prevention. Uses the Web Crypto API for true randomness. Everything runs in your browser.
Generate up to 1,000 numbers at once with options for integer-only or decimal output and duplicate prevention. Uses the Web Crypto API for true randomness. Everything runs in your browser.
Generator
Results
—
—
How to Use
- Set the minimum and maximum values
- Choose how many numbers to generate
- Optionally allow decimals or require unique values
- Click Calculate to generate
FAQ
Is the randomness cryptographically secure?
Yes. The tool uses crypto.getRandomValues() for secure random number generation.
Can I generate unique numbers?
Yes. Enable 'No Duplicates' to ensure all generated numbers are unique. The range must be large enough to accommodate the requested count.
Is my data safe when I use Random Number Generator?
Yes. All calculations run entirely in your browser. Your data is never sent to a server, stored in a database, or shared with anyone. You can use this tool with complete confidence that your information remains private.
Commonly Used With
Pair this tool with others in Developer
Thank you! Your report has been submitted.