Random Number Generator

Random Number Generator — Secure, Fast, Online

Random Number Generator

Generate truly random numbers online within a range of your choice. Simple, fast, and secure.

Why use Random Number Generator?

A random number generator is a quick and reliable way to create unbiased results. Whether you’re running a giveaway, choosing a winner, or just testing something, randomness ensures fairness.

With our Random Number Generator, you don’t need to install any software. Everything runs directly in your browser, instantly and securely. It’s especially useful for teachers, developers, students, and anyone needing random results for experiments, math practice, or decision‑making.

How to use Random Number Generator

  1. Step 1 — Enter the minimum and maximum values for the range you want.
  2. Step 2 — Click Generate Number.
  3. Step 3 — Instantly get a random number displayed on the screen.
  4. Step 4 — Repeat as many times as you need with a single click. Use “No duplicates” or “Sort” as needed.

How it works (secure randomness)

We use the browser’s crypto.getRandomValues to draw uniformly distributed integers with rejection sampling (no modulo bias). While it’s cryptographically strong for general use, this tool isn’t certified for regulated gambling or lotteries.

Random Number Generator — FAQ

What is a Random Number Generator? +
It’s a tool that picks numbers unpredictably within a range. Use it for giveaways, sampling, testing, or classroom activities.
Is this Random Number Generator truly random? +
Yes—numbers are produced using the secure Web Crypto API. It’s suitable for most use cases, but not certified for regulated gambling.
Can I use this Random Number Generator for professional or academic purposes? +
Absolutely. It’s great for classroom exercises, simulations, QA testing, sampling, or basic experiments. For audited randomness, use domain‑specific tools.

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