Random Number Generator
Generate random numbers with custom range and count. Choose integers or decimals, allow duplicates, and copy results with one click.
Maximum 100 numbers at once
Adjust settings and click "Generate Numbers"
Get random numbers for your needs
Ways to Use Random Numbers
Perfect for games, giveaways, testing, and statistical sampling
Gaming
Dice rolls, card draws, loot boxes
Giveaways
Raffle winners, contest draws
Testing
Sample data, simulation, QA testing
Statistics
Random sampling, Monte Carlo
Frequently Asked Questions
Are the numbers truly random?▼
Yes! Our generator uses the browser's cryptographically secure pseudo-random number generator (CSPRNG) via window.crypto.getRandomValues(). This provides high-quality randomness suitable for most applications including gaming and giveaways.
Can I generate negative numbers?▼
Yes! Set a negative minimum value (e.g., -100) to generate numbers in negative ranges. The generator supports any integer range.
What's the maximum range for numbers?▼
Integers can range from -9,007,199,254,740,991 to 9,007,199,254,740,991 (safe integer range). Decimals have similar limits with decimal precision.
How many decimal places can I generate?▼
Decimal numbers are generated with up to 6 decimal places of precision. This provides a good balance between randomness and readability.
What's the difference between allowing and preventing duplicates?▼
Allow duplicates - each number is independent (like dice rolls). Prevent duplicates - each generated number is unique (like drawing raffle tickets without replacement).