Random Number Generator
Random numbers, dice rolls and coin flips · free, no signup
Free Random Number Generator, Dice Roller & Coin Flip
Need a fair, unbiased random number? Set a minimum and maximum, choose how many numbers you want and whether repeats are allowed, and generate them with your browser's secure random generator.
The same page includes a dice roller (any number of dice with 4 to 20 sides) and a coin flip, so it works for games, raffles, classroom activities, giveaways and decisions.
Key features
Any range
From negative numbers to millions.
No repeats option
Pick unique numbers, like a lottery draw.
Dice and coin
Roll d4 to d20 and flip a coin.
Secure randomness
Uses the Web Crypto API.
How to use it
- Enter a minimum and maximum.
- Choose how many numbers and whether repeats are allowed.
- Click Generate.
- Copy the results.
Worked example
Example
Range 1–10, unique, 5 numbers → 7, 2, 9, 4, 1 Dice: 3 + 4 = 7 Coin: Heads
Who uses this tool
Teachers and game hosts
Pick raffle winners and student turns fairly.
Developers and testers
Create random test data.
Board-game fans
Roll dice and flip coins online.
Tips for the best results
- Use unique mode for draws so nobody wins twice.
- Set the range before generating to avoid off-by-one mistakes.
- Screenshot or copy the result if you need proof.
- For secret values use the password generator instead.
Common mistakes to avoid
- Expecting random numbers to look evenly spread in short runs.
- Forgetting that the range is inclusive at both ends.
- Using a random number for security tokens.
Why use AZRS QuickFix?
It is 100% free, needs no signup and has no watermark or usage limits. The tool runs in your browser, so what you type stays on your device, and it works on phones, tablets and desktops. New tools are added every week — bookmark this page or browse the full QuickFix toolbox.
Frequently asked questions
Is this truly random?
It uses the browser's cryptographic random generator, which is suitable for fair draws.
Can I get numbers without duplicates?
Yes. Turn on unique numbers and the generator will not repeat any.
How do I pick lottery numbers?
Set the range (for example 1 to 49), choose how many, and enable unique numbers.
Can I roll several dice?
Yes. Choose the number of dice and sides and see each roll and the total.
Is this truly random?
It uses your browser’s cryptographic random source, which is suitable for fair draws.
Can I generate numbers without repeats?
Yes, tick “unique numbers”.