Random Number Generator

Free Online Random Number Generator

Need a random number fast? Our free random number generator lets you pick numbers from any range you define. Whether you need a single number or up to 100 at once, this tool delivers instant results using your browser's cryptographic random number generator for true randomness. Enable the "No duplicates" option when you need every number in your set to be unique — perfect for raffles, lotteries, and random sampling.

How to Generate Random Numbers

1. Set your minimum and maximum values to define the range.
2. Choose how many numbers you want to generate (1 to 100).
3. Check "No duplicates" if every number must be unique.
4. Click Generate and see your results instantly.
5. Click Copy to copy the numbers to your clipboard.

Common Uses for Random Numbers

• Drawing raffle or lottery winners from a numbered pool.
• Randomly assigning participants to groups in experiments or classrooms.
• Picking random items from a list by generating index numbers.
• Creating random seeds or test data for software development.
• Making fair decisions — let a random number settle debates impartially.

Why Use Our Random Number Generator?

• Uses your device's cryptographic random number generator for true randomness.
• Generate up to 100 numbers at once with optional duplicate prevention.
• History tracks your last 10 generations so you can review past results.
• Completely free with no signup, no ads gating features, and no limits.
• Works entirely in your browser — nothing is sent to any server.