Free tools

Random Number Generator

Generate random numbers between any range you choose. Set min, max, and how many numbers to generate instantly in your browser.

Random Number Generator Online

Generate random numbers between any minimum and maximum values you choose. Set how many numbers you need, optionally require unique results, and get your numbers instantly. Everything runs in your browser using the Web Crypto API — nothing is sent to a server.

How It Works

Enter your desired range (min and max), choose how many numbers to generate, and click Generate Numbers. The tool uses cryptographically secure random number generation to ensure fair and unpredictable results every time.

Common Uses

  • Rolling dice for board games or tabletop RPGs
  • Picking a random winner from a numbered list
  • Generating test data for software development
  • Random sampling for statistics and research
  • Lottery number selection
  • Random decision making and giveaways

What Does "Unique Only" Mean?

When the Unique only checkbox is enabled, each generated number will be different — no duplicates. This is useful for things like lottery picks or raffle draws. Note that the count cannot exceed the size of the range when unique mode is active.

Frequently Asked Questions

How do I generate a random number in a specific range?
Enter your minimum value in the Min field and your maximum value in the Max field, then click Generate. For example, to simulate a 6-sided die, set Min to 1 and Max to 6. To generate lottery numbers, you might use Min 1 and Max 49.
Can I generate multiple numbers at once?
Yes. Set the Count field to how many numbers you need (up to 1000). You can also enable Unique Numbers to ensure no duplicates in the results — useful for lottery-style draws or raffles.
Is this suitable for giveaways and contests?
Yes. Set your range to match your entry numbers (e.g., Min: 1, Max: 500 for 500 entries), enable Unique Numbers if drawing multiple winners, and generate. The results are cryptographically random and fair.
Are the numbers truly random?
Yes. The generator uses your browser's cryptographically secure random number generator (CSPRNG), the same technology used for security purposes. Each number has equal probability within your range.
Can I use decimals or only whole numbers?
By default, the tool generates whole numbers (integers). Enable the Allow Decimals option to generate numbers with decimal precision, useful for coordinates, statistical sampling, or scientific applications.

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