Random Number Generator

Generate cryptographically secure random numbers with customizable ranges, formats, and display options.

All generation happens locally in your browser. No data is sent to servers or stored remotely.
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Click "Generate" to create random numbers

What is a Random Number Generator?

Random Number Generator is a specialized tool designed to produce unpredictable numbers in any specified range for lotteries, simulations, testing, or decision-making. Perfect for generating truly random integers and floating-point numbers with customizable precision.

Our random number generator uses the proven 'random' library with high-quality pseudorandom number generation suitable for statistical analysis, gaming, and professional applications requiring reliable randomness.

Key Benefits:

  • Flexible Range: Set any minimum and maximum values from negative to positive numbers
  • Batch Generation: Generate up to 100 numbers at once with one click
  • Duplicate Control: Choose to allow or prevent duplicate numbers in results
  • Number Types: Generate integers or floating-point numbers with custom decimal precision
  • Visual Layout: Customizable column display (1-10 columns) for better readability

Perfect for developers, researchers, statisticians, educators, and anyone who needs reliable random numbers for testing, analysis, or decision-making purposes.