AnykastAnykast

Random Number Generator

Generate random numbers within a specified range. Free online random number generator.

How to Use Random Number Generator

1

Set your range

Enter the minimum and maximum values for your random number range. You can use any integer values.

2

Choose quantity

Specify how many random numbers you want to generate at once. Generate one or hundreds in a single click.

3

Generate and copy

Click generate to get your random numbers. Copy them to your clipboard or regenerate for new results.

About Random Number Generator

Random number generator online — generate truly random numbers within any range instantly for free. Uses the Web Crypto API for cryptographically secure randomness, not pseudo-random algorithms. Generate single or multiple random numbers for raffles, lottery picks, games, statistical sampling, A/B testing, and classroom activities. Set custom min/max ranges and generate as many numbers as you need. No signup, no ads — runs entirely in your browser.

Key Features

  • Generate cryptographically secure random numbers within any custom minimum and maximum range
  • Generate multiple random numbers at once for raffles, lotteries, and batch sampling
  • Uses the Web Crypto API for true cryptographic randomness — not pseudo-random
  • Support for both integer and decimal random number generation with configurable precision
  • One-click copy to clipboard and regenerate buttons for fast repeated use
  • 100% free and private — all random number generation happens in your browser with no data sent to any server

Frequently Asked Questions

How to generate a random number online?▾
Set your minimum and maximum values, choose how many numbers you need, and click generate. Our tool uses cryptographically secure randomness for truly unpredictable results.
How to generate a random number between 1 and 100?▾
Set the minimum to 1 and maximum to 100, then click generate. You will get a truly random number in that range using the Web Crypto API.
How to pick a random number for a raffle?▾
Enter the range of raffle ticket numbers (e.g., 1 to 500), generate a random number, and that is your winner. The cryptographic randomness ensures fair, unbiased selection.
How to generate multiple random numbers at once?▾
Set your range and increase the quantity to generate as many random numbers as you need in a single click. All numbers are independently random.
How to generate random numbers for statistics?▾
Set your desired range and quantity. Our cryptographically secure generator produces uniform distribution suitable for statistical sampling and research.
How to use a random number generator for games?▾
Set the range matching your game needs (e.g., 1-6 for dice, 1-52 for cards) and generate numbers. Results are truly random and fair for all players.
How to generate a random number in a custom range?▾
Enter any minimum and maximum values in the input fields. The generator supports any range within JavaScript safe integer limits (up to about 9 quadrillion).
How secure is this random number generator?▾
It uses the Web Crypto API (crypto.getRandomValues), the same cryptographic random source used for encryption keys. It is far superior to Math.random() pseudo-randomness.