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Random Number Generator

Generate random numbers within any range you choose.

Developer GeneratorsBrowser-only • PrivateFree

MinMaxHow many

Random Numbers

Output will appear here...

Privacy First: All processing happens locally in your browser. Your data never leaves your device and is never uploaded to any server.

About Random Number Generator

The Random Number Generator produces random numbers within the range you set, singly or in batches, with an option to avoid duplicates for raffles and unique picks. It's handy for draws, sampling, testing, and games. Generation uses your browser's secure randomness, so nothing is uploaded. For random text use the Random String Generator, and for unique IDs the UUID Generator.

How to Use

1Open Random Number Generator and paste or type your data into the input area.
2Adjust any available options to match the result you want.
3Your output is generated instantly — no button-clicking required for most tools.
4Use the Copy or Download button to save your result.

Common Use Cases

Generating test data, IDs, and placeholder content
Creating secure passwords, API keys, and secrets
Testing and building regular expressions
Generating SEO files like robots.txt and sitemaps

Frequently Asked Questions

Can I generate numbers without duplicates?

Yes. Toggle the no-duplicates option to draw a set of unique numbers from your range, which is what you want for raffles, lotteries, and sampling without replacement.

Are the numbers truly random?

They're generated with the browser's cryptographically secure random source, which is unpredictable and well beyond adequate for draws, testing, and games.

Is Random Number Generator free to use?

Yes. Random Number Generator is completely free with no sign-up, no subscription, and no usage limits. Every tool on CodeUtilityKit is free forever.

Is my data safe when I use Random Number Generator?

Absolutely. Random Number Generator runs entirely in your browser. Your input is processed locally with JavaScript and is never sent to, stored on, or logged by any server — so it is safe even for private or sensitive data.