Random Number Generator
Generate cryptographically secure random numbers within any range. Use our free online RNG tool for games, decisions, raffles, and more.
How to Use the Random Number Generator
Our Random Number Generator is the simplest way to get truly random numbers online. Whether you need a random number for a game, a raffle, a classroom activity, or a programming project, this tool has you covered.
- Set the minimum and maximum values for your range
- Choose how many numbers you want to generate (1 to 1,000)
- Toggle "Allow duplicates" if you need all unique numbers
- Click Generate to get your random numbers
- Use the Copy button to copy results to your clipboard
Unlike many online random number generators that use Math.random(), our tool uses the Web Crypto API for cryptographically secure randomness. This means the numbers are generated using your device's hardware random number generator, providing much higher quality randomness suitable for any application.
Frequently Asked Questions
Is the random number generator truly random?
Yes! We use the Web Crypto API (crypto.getRandomValues) which provides cryptographically secure random numbers, far superior to Math.random(). The results are generated using your device's built-in hardware random number generator.
What range of numbers can I generate?
You can generate numbers in any range from very large negative numbers to very large positive numbers. Simply set the Min and Max values to your desired range.
Can I generate multiple random numbers at once?
Yes! Use the 'How many?' field to generate up to 1,000 random numbers at once. You can also toggle 'Allow duplicates' off to ensure all numbers are unique.
How do I copy the generated numbers?
Click the 'Copy' button below the result to copy all generated numbers to your clipboard as a comma-separated list.
Is there a history of my generated numbers?
Yes, the tool keeps a history of your last 10 generations in the current session. Click 'History' below the result to view them.