Random Number Generator

Generate cryptographically secure random numbers in any range. Integers or decimals, with or without duplicates.

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How to Random Number Generator

  1. Set the minimum and maximum values for your range.
  2. Choose how many numbers to generate (1 to 10,000).
  3. Toggle integer-only, allow/disallow duplicates, or sort the results.
  4. Click Generate and copy the results.

Why Use This Tool?

From lotteries and statistical sampling to game development and security testing, truly random numbers are essential. This generator uses the browser's crypto.getRandomValues() for cryptographic-quality randomness — far better than Math.random().

Frequently Asked Questions