Can I generate unique numbers for lotteries and giveaways?

Yes. Simply leave "Allow Duplicates" unchecked. The generator will guarantee that every number in the generated batch is unique.

What is the maximum quantity of numbers I can generate?

You can generate up to 1,000 numbers in a single click with instant rendering and downloadable text export.

Can I sort the results from low to high?

Yes. You can select Ascending, Descending, or Keep Random Order from the Sort Order dropdown.

Utility ToolsCSPRNG Tool

Random Number Generator

Generate cryptographically secure random numbers within any range with customizable quantity, uniqueness, and sorting.

Popular Presets

Minimum Value

Maximum Value

Quantity to Generate

Allow Duplicates

Sort Order

Delimiter Format

Generated Numbers (5)

Sum

305

Average

61.00

Min

Max

How to Use Random Number Generator

Follow these simple steps to complete your task in seconds.

Set Min and Max Range

Define the lower and upper bounds for your generated random numbers, or click a preset.

Choose Quantity & Uniqueness

Specify how many numbers to generate and toggle whether duplicate values are allowed.

Generate, Sort & Copy

Click Generate to run the crypto-random engine, view statistical summaries, and copy or download.

Why Choose Quicklity for Random Number Generator

Engineered for speed, privacy, and flawless conversion accuracy.

Cryptographically Secure (CSPRNG)

Utilizes the Web Crypto API (crypto.getRandomValues) for high-entropy, mathematically unpredictable results.

Unique Sets & Duplicates

Easily enforce unique non-repeating numbers for raffles and lotteries, or allow repeats for dice simulations.

Integrated Statistics

Automatically calculates sample sum, arithmetic mean average, minimum, and maximum values.

100% Client-Side Privacy

All randomness is sampled locally on your device with zero network delays or external logging.

Frequently Asked Questions about Random Number Generator

Everything you need to know about using this tool.

Yes. It uses the browser standard window.crypto.getRandomValues() interface, which taps into OS-level cryptographically secure pseudo-random number generators (CSPRNGs) with hardware entropy.

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