Random Number Generator
No signup needed Runs in your browser Free forever tier SSL secured
Generate random numbers instantly — any range, any count, no repeats option. Free online random number generator with copy support.
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What is a random number generator?
A random number generator produces unpredictable numbers within a range you define. Use it for raffles and giveaways, lottery picks, classroom exercises, statistical sampling, password seeds, or simply making decisions when you cannot choose.
This generator uses the browser's cryptographically secure random source — better than typical Math.random() for anything where fairness matters.
Fair randomness matters
For giveaways and contests, fair randomness protects you and your audience. Crypto-secure generation, the option to avoid repeats, and full control over range and count make this tool suitable for real-world draws.
How to Use
- Set the minimum and maximum values
- Choose how many numbers to generate
- Toggle "No repeats" if every number must be unique
- Click Generate and copy the result
Features
🔐 SecureUses crypto-grade randomness.
🔁 No RepeatsUnique numbers for fair draws.
🎛 Full ControlRange, count, and formatting.
🆓 FreeUnlimited generation, no signup.
Frequently Asked Questions
Can the random number generator avoid repeats?
Yes — enable the "No repeats" option and every generated number will be unique within the range.
Is the randomness truly random?
The tool uses the Web Crypto API (crypto.getRandomValues), the same class of randomness used for secure keys — suitable for fair draws.
What is the maximum count?
Up to 50 numbers per generation, with unlimited generations.