Random Number Generator

Generate cryptographically random integers — unique or repeating.

100% private — no uploads Random & Fun ToolsFree & unlimited Read tutorial

See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Random Number Generator

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Enter the minimum and maximum values for your range.

  2. 2

    Step 2. Set how many numbers to generate.

  3. 3

    Step 3. Toggle “Unique only” to prevent repeats and “Sort ascending” to order results.

  4. 4

    Step 4. Click “Generate” — copy individual numbers or all of them at once.

Why use this tool

Private by design

All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.

Instant

No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.

Free & unlimited

No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.

Works everywhere

Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.

Frequently asked questions

Everything you might want to know about random number generator.

Want to learn more?

Read our complete Random Number Generator tutorial with tips, use cases, and FAQs.