Random Number Generator

Generate random numbers and number series instantly in your browser.

Random Number Generator Online

Generate up to 10,000 random numbers in any range from (minus) -1,000,000,000 to (plus) +1,000,000,000.
Sort them, block repeats, or output a complete series like 1 to 100.


(1-10000)
Ready to generate numbers.


Overview

Our Random Number Generator creates one or more random numbers from any range you define. Set how many numbers you need (1 to 10,000), choose a minimum and maximum between -1,000,000,000 and 1,000,000,000, and generate results instantly.

Beyond random picks, the tool can also output a complete number series - every consecutive number from Min to Max, such as the full sequence 1 to 100. Numbers are produced with your browser's cryptographically secure random source, so they are unpredictable and never stored or sent anywhere.


How to Use this Tool?

Step 1: Enter how many random numbers you want in the How many field (1 to 10,000).

Step 2: Set the Min and Max values of your range. Every generated number falls within this range, and Max must be greater than Min.

Step 3: Choose your options. Enable Sort results to arrange the output in ascending order, enable No repeats if every number must be unique, or check Series to list every number from Min to Max instead of picking randomly.

Step 4: Pick a separator for the output - new line, comma, space, comma+space or hyphen - then click Generate Numbers. Copy the result with the Copy link, save it as a .txt file with Download, or press Clear to start over.


Features and Settings

How many: The number of random values to generate, from 1 up to 10,000. This field is disabled while the Series option is checked, because a series always contains every number in the range.

Min and Max: The boundaries of your range, as whole numbers between -1,000,000,000 and 1,000,000,000. Negative ranges work fine - for example, Min -50 and Max 50 is perfect for picking temperatures or offsets.

Sort results: Arranges the generated numbers in natural ascending order, so 2 comes before 10. Without sorting, the numbers appear in the order they were drawn.

No repeats: Guarantees every number in the output is unique. This requires the count to fit inside the range - asking for 50 unique numbers from a range of only 20 values shows an error instead. The option is disabled while Series is checked, since a series never repeats by definition.

Series: Outputs every consecutive number from Min to Max rather than random picks. With Min 1 and Max 10 you get 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. The range may span at most 10,000 numbers.

Separator: Controls how the numbers are joined. New line puts each number on its own row, Comma gives 7,42,13, Space gives 7 42 13, Comma+Space gives 7, 42, 13 and Hyphen gives 7-42-13.


FAQs

FAQ 1: Is this random number generator free?
Answer: Yes, it is completely free with no sign-up or login, and there are no limits on how often you can use it.

FAQ 2: How random are the numbers?
Answer: The tool uses your browser's built-in cryptographic random source (crypto.getRandomValues), which is far stronger than typical Math.random() based generators. That makes it suitable for giveaways, raffles and drawing winners.

FAQ 3: What is the difference between random mode and Series mode?
Answer: In random mode the tool draws the requested amount of numbers from anywhere inside your Min-Max range. In Series mode it simply lists every whole number from Min to Max in order - useful when you need a complete sequence such as 1 to 100 for a test file or a loop.

FAQ 4: Why do I get an error about unique numbers?
Answer: With No repeats enabled, the count cannot exceed the size of the range. A range of 1 to 20 contains only 20 possible values, so requesting 50 unique numbers is impossible. Increase Max, lower the count, or turn off No repeats.

FAQ 5: Can I generate negative numbers?
Answer: Yes. Any whole number from -1,000,000,000 up to 1,000,000,000 is accepted for both Min and Max, so ranges like -100 to 100 work without any extra settings.

FAQ 6: Are my numbers stored anywhere?
Answer: No. Everything runs locally in your browser - nothing is uploaded, logged or saved. Once you leave or refresh the page, the results are gone unless you copied or downloaded them.

TextToolz

The Ultimate Text Tools

TextToolz works seamlessly to let you convert and design your text. It is fast, reliable and secure. Trusted by thousands of users.