Random Number Generator
Generate one or multiple random numbers between any range instantly. Perfect for giveaways, games, decisions, and lottery picks.
Quick ranges
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Set your range and hit Generate
What is a Random Number Generator?
A random number generator is a tool that produces numbers chosen entirely by chance within a range you define. Unlike picking a number in your head — which tends to follow unconscious patterns — a proper random generator ensures every number in the range has exactly the same probability of being selected.
Our tool lets you set any minimum and maximum value, choose how many numbers to generate, and optionally exclude duplicates. Results appear instantly and can be copied with one click.
How to Use the Random Number Generator
- Set your minimum and maximum values. The default is 1 to 100.
- Choose how many numbers you want to generate (1 to 100).
- Toggle No duplicates if you need all unique numbers — useful for lottery picks.
- Hit Generate and your random numbers appear instantly.
- Click Copy to copy all results to your clipboard, or hit Generate again for a fresh set.
Common Uses for a Random Number Generator
Giveaways & raffles
Assign a number to each entry, then generate a winner at random. Fair, fast, and verifiable.
Lottery number picks
Generate a set of unique numbers within your lottery's range with duplicates turned off.
Games & decisions
Use it as a digital dice, a number guessing game, or to settle any dispute that needs a neutral number.
Classroom activities
Teachers use it to assign random groups, pick question numbers from a test, or randomize seating.
Statistics & research
Generate random samples for surveys, experiments, or statistical simulations.
Passwords & codes
Generate random PIN codes, verification numbers, or numeric passwords for temporary access.
Common Questions
Is the random number generator truly random?
Yes. The tool uses JavaScript's built-in cryptographically seeded Math.random() function which produces unpredictable results every time. Each number generated is independent of the previous one.
Can I generate the same number twice?
By default, duplicates are allowed. If you need all unique numbers — for example when picking lottery numbers — enable the 'No duplicates' toggle. Note that if you ask for more unique numbers than exist in your range, the tool will cap the count automatically.
What is the maximum range I can use?
You can enter any integer from -999,999,999 to 999,999,999 as your min or max. There is no practical limit for everyday use.
How many numbers can I generate at once?
You can generate up to 100 numbers at once. For unique number sets this is also limited by the size of your range.
Are the numbers stored or tracked anywhere?
No. Everything runs directly in your browser. No numbers, inputs, or results are ever sent to a server or stored anywhere.