What is Random Number Generator?
Free online random number generator. Specify min and max to generate random integers. Supports batch generation, exclusion lists, and sorting. Suitable for lotteries, test data, gaming, and statistical sampling.
▶Use Cases4 scenarios
- ◆Lottery picks
- ◆Test data
- ◆Game dice
- ◆Statistical sampling
▶How to Use4 steps
- 1Set min and max values
- 2Choose count
- 3Click Generate
- 4Copy results
▶Features4 features
- ✓Batch generation
- ✓Exclusion list
- ✓Sort options
- ✓Cryptographically secure
▶FAQ7 questions
What is the Random Number Generator?
An online utility. Input: a minimum and maximum. Output: random integers in that range, with batch generation, exclusion lists, and sorting. Use it for raffles, test data, and statistical sampling.
Are the random numbers truly random?
They use the browsers cryptographically secure random number generator — secure enough for most use cases.
Can I generate unique numbers only?
Yes, enable the "no duplicates" option to ensure unique results.
Is it cryptographically secure?
Yes. Uses crypto.getRandomValues() API, suitable for tokens and security purposes.
Can I generate unique numbers?
Yes. Enable "no duplicates" to ensure all numbers are unique within the batch.
What is the maximum range?
Limited by Number.MAX_SAFE_INTEGER (2^53 - 1). More than enough for most use cases.
Can I use it for lotteries?
Yes. The cryptographically secure RNG is suitable for random drawings and raffles.