Random Number Generator

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

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How to Use Random Number Generator

Set your range

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

Choose quantity

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

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

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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.