Random Number Generator

Generate one or many random numbers within any range. Choose unique numbers or allow repeats. Fast and secure.

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Key Features

Everything you need, right at your fingertips. Simple, fast, and built for everyone.

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Flexible Range

Generate numbers between any min and max you define.

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Integers or Decimals

Choose whole numbers or decimal numbers with custom precision.

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Unique Only

Generate a list of unique numbers with no duplicates.

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Multiple at Once

Generate 1 to 100 numbers in a single click.

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Auto Sort

Option to sort results from lowest to highest automatically.

How to Use This Random Number Generator

Getting started is easy. Just follow these simple steps.

1

Set Min and Max

Enter the lower and upper bounds of your range.

2

Choose Type

Integer or decimal, and how many decimal places.

3

Pick Quantity

How many random numbers do you need?

4

Generate & Use

Click generate and copy your results.

About This Random Number Generator

Random number generators are useful in a surprising number of situations —from picking lottery numbers and raffle winners to game development, statistical sampling, scientific experiments, and password generation.

There are two main types of random number generators: pseudo-random number generators (PRNGs) and true random number generators (TRNGs). PRNGs use mathematical algorithms to produce sequences that appear random but are actually deterministic. TRNGs use physical phenomena like atmospheric noise or electronic noise to generate truly random numbers.

Our random number generator runs in your browser and uses the Web Crypto API's crypto.getRandomValues() function, which provides cryptographically secure random numbers. This means the results are unpredictable and suitable for uses where fairness and security matter.

Whether you need a random integer between 1 and 10 for a quick decision, a set of unique numbers for a lottery, or decimal values for statistics, a random number generator gives you fast, fair, and reproducible results.

Frequently Asked Questions

How random are these numbers?

Our generator uses JavaScript's Math.random() for fast generation. For most use cases —games, picks, raffles, design —this is more than sufficient. For cryptographic applications, you should use a dedicated cryptographically secure random number generator.

Can I generate decimal numbers?

Yes! Select "Decimals" from the Format dropdown. Decimal numbers are rounded to 4 decimal places. You can still set a min and max range, and choose whether results are unique or sorted.

What's the maximum number I can generate?

You can generate any integer or decimal within JavaScript's safe number range (up to about 9 quadrillion). You can generate up to 1000 numbers at once. For unique numbers, the range must be at least as large as the count of numbers requested.

How do I pick a winner fairly?

For a fair random selection, use a random name picker or number generator that you cannot manipulate. Write down all names, use a certified random tool, and ideally do the drawing in public or with witnesses. Modern random number generators are statistically fair and unbiased.

What are some fun ways to pick a random winner?

Popular methods include drawing names from a hat, spinning a wheel, rolling dice, using a random number generator, or picking from a deck of cards. Digital random name pickers are convenient for online giveaways, virtual events, and remote team activities.