Random Numbers
Random Number Generator
Random Nr generator is a tool for generating random numbers in any range you set. Pick a minimum and a maximum, choose how many numbers you need, then generate a random number.
Random Nr
Range 1 to 100 · 1 result
Generate random number from a range
Select how many numbers to generate
Up to 1000 numbers per draw
How to use the random number generator
- Enter the lowest number you want in the Minimum field.
- Enter the highest number you want in the Maximum field.
- Set how many numbers you need, for example 6 for a lottery line.
- Tick No repeats if the same number must not appear twice.
- Press Generate. Press it again for a fresh draw.
What is a random number
A random number is a value picked from a defined range in a way that gives no clue about what comes next. Each draw stands on its own, so a number that just came up has exactly the same chance of coming up again. Over a large number of draws the results spread evenly across the range you set.
How the Generator Picks Numbers
The tool uses the random source inside your browser. It uses rejection sampling so no number gets favored by rounding. Nothing you type leaves your device. The draw happens on your own device, so it works offline after the page loads.
True Random and Pseudo Random
Hardware generators read physical sources like electrical noise. Software generators, including this one, run math routines seeded by your operating system. For picking a winner, rolling dice, or choosing a sample, a good software generator works fine.
Settings You Can Use
Lowest Number and Highest Number
These two fields set the pool the draw comes from. Both ends count. A range of 1 to 100 can return 1 or 100. If you type a minimum larger than the maximum, the tool swaps them instead of showing an error.
Generate From a Range
A range is the pool the draw comes from. The quick range buttons cover the most common pools, from 1 to 10 up to 1 to 1000. Picking one fills both fields and draws right away. For other ranges, type your own lowest and highest values. The highlighted button clears to show a custom range is active. Ranges can start below zero, so minus 50 to 50 works the same way.
How Many Numbers to Generate
One draw can return 1 to 1000 numbers. A single result shows as one large number. More than one shows as a grid of chips with a summary above. The summary shows the count, lowest value, highest value, and average. This helps you check that the spread looks even.
How Numbers Are Created
Each number is created when you press generate. It comes fresh from the range you set. Nothing comes from a stored list and nothing repeats from past sessions. Two people using the same settings at the same time will see different results.
By default, numbers are drawn independently. This means the same value can appear twice in one batch. This is correct for dice rolls. Turn on no repeats and each value leaves the pool once it appears. This is what raffle tickets and lottery lines need. A unique draw cannot return more numbers than the range holds. Asking for 20 unique values from 1 to 10 gives you 10.
Sort Numbers From Smallest to Largest
Sorting only changes the display order. It never changes which numbers were picked. The draw happens first and the sort happens after. A sorted lottery line is just as random as an unsorted one. Turn sorting off when the order matters, such as when you pick first, second, and third place.
Whole Numbers Only
Every result is a whole number, positive or negative. This page has no decimal mode because decimal draws need a precision setting that would clutter the tool. If you need values like 0.25 or 12.75, use the decimal generator under Numbers in the menu.
Practical Limits
- Up to 1000 numbers per draw. This covers most sampling and testing jobs.
- Ranges work up to about 100 million on either side, including negative minimums.
- Unique draws are limited by the range size, not by the count you type.
- Results stay only until the next draw. Copy or download anything you want to keep.
Saving and reusing results
Two export routes sit next to every draw. Copy results puts the whole batch on your clipboard as a comma separated line, ready to paste into a message or a document. Download CSV writes one number per row with a header, which opens straight into a spreadsheet and is the better choice for large batches you plan to analyse or keep as a record of a draw.
Reading the summary line
On a multi number draw the summary shows the minimum, the maximum and the average of that batch. Over a large batch from 1 to 100 the average should sit near 50.5. A value close to that is a sign the spread is behaving. A single batch that lands well away from the middle is not a fault, it is ordinary variation, and it evens out as the batch grows.
Applications of a random number generator
- Giveaways and raffles. Number the entries, draw one number, announce the winner.
- Classrooms. Pick a student, choose the order of presentations, split a class into groups.
- Games. Replace a missing die, decide who starts, set a target score.
- Research samples. Select rows from a list without bias when you need a simple random sample.
- Lottery lines. Draw six unique numbers between 1 and 49 in one click.
- Decisions. Settle a tie, choose between options, break a deadlock fairly.
- Testing and demos. Fill a spreadsheet or a test data set with values in a set range.
Who Uses a Random Number Generator?
Many different people use these tools every day. Below are the most common users and the best generator for each need.
Students and Learners
Students use these tools to practise math, study number patterns, and check their answers. Try the math question generator, the prime number list, or the Fibonacci generator.
Teachers and Classrooms
Teachers use them to pick students fairly, split classes into groups, and make new worksheets. Use the classroom number picker, the group assignment tool, or the number picker wheel.
Developers and Testers
Developers use them to fill databases and forms with fake but realistic test data. Use the random number list generator, the IBAN generator, or the phone number generator.
Gamers and Tabletop Players
Gamers use them to roll dice, deal cards, and set drop rates without needing physical dice or cards. Try the dice roller, the playing card generator, or the weighted generator.
Event Organisers
Event organisers use them to run fair raffles and giveaways. Number tickets with the ticket generator, then pick winners with the raffle generator or the picker wheel.
Researchers and Analysts
Researchers use them to pick random samples and model results for studies and reports. Use the sample generator, the normal distribution generator, or the odds simulator.
Everyday Privacy
Use these tools to create strong codes right in your browser. Try the PIN code generator, the lock combination generator, or the secure random generator.
Lottery Players
Lottery players use them to get quick picks that follow each game's rules. Try the lottery number generator, Powerball, or EuroMillions.
These are just the most common use cases of Random Nr. Check some of the quick links below to see who else you can achieve with Random Nr and how every draw stays fair and private.
Popular generators
Frequently Asked Questions
Are the Numbers Really Random?
They come from the same random source in your browser that makes security keys. The results are random and fair for normal use.
Can I Generate Numbers Without Repeats?
Yes. Check the no repeats box and every number will be different. You cannot draw more numbers than your range contains.
What Is the Largest Range I Can Use?
Any whole number your browser can handle. You can use negative numbers too.
Is the Generator Free?
Yes, it is free and you do not need to sign up. Nothing you type leaves your device.
Can I Use It to Pick a Giveaway Winner?
Yes. Number your entries starting at 1. Set the range to match, then draw. Record your screen if you need proof.