Calculators
Random Number Generator
Generate random numbers within any range. Useful for games, raffles, statistics, sampling, and decision-making.
Free · Runs in your browser · No signup · Files stay on your device
How to use
How to use Random Number Generator
- 1Set the minimum and maximum values for your range.
- 2Choose how many numbers to generate.
- 3Optionally toggle 'Allow Duplicates' off for unique numbers.
- 4Click 'Generate' to get your random numbers.
Tips
Quick tips
- Uses JavaScript's Math.random() — suitable for general use but not for cryptographic purposes.
- Generate up to 1,000 numbers at a time.
- Disable duplicates to get unique numbers (limited by range size).
FAQ
Frequently asked questions
Are these truly random numbers?
They use a pseudorandom number generator (PRNG). This is suitable for games, sampling, and general purposes, but not for cryptographic or security applications.
Can I get unique numbers only?
Yes. Uncheck 'Allow Duplicates' and each generated number will be unique. The count is limited to the range size in this mode.
What is the maximum count?
You can generate up to 1,000 numbers at a time.
Are decimal numbers supported?
This generator produces whole integers only within the specified range (inclusive of both min and max).
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