Random Number Generator No Repeats List

Provide your range, pick your rules, and generate a perfect list of random numbers in one click.

Range:

How Many:


Generate a Perfect List with Our Random Number Generator

Do you need a list or sets of random numbers but don’t know how to generate them quickly? Our Random Number Generator tool allows you to randomly generate a list of numbers or multiple lists in just one click.

You can set your own number range, decide how many numbers you want, choose whether numbers repeat or not, and sort the results.

The best feature of this tool is that it provides multiple output formats including “Text with Commas”, “Text with Spaces”, “Spreadsheet Row”, and “Spreadsheet Column”, and you can easily copy the output in your desired format.

What Is a Random Number Generator?

A random number generator is a tool that generates random numbers for you. Our random number generator tool instantly generates a list of random numbers or multiple lists according to the given rules. It gives you full control over how it generates your numbers.

It gives you the option to set the range and how many random numbers you want from that range. It also gives you an option if you want to generate multiple sets of random numbers, and it also gives you the option to select if you want to allow repeats in the set or not.

Our tool is simple and straightforward, and anyone who needs a list of random numbers fast can use this.

How to Use This Tool (Step-by-Step)

This tool is super simple, and the following is a quick step-by-step guide on how to use it.

Step 1: Set Your Number Range (Min & Max)

At the start of the tool, you will see the input box for the min and max values of the range. This will tell the tool to pick the random numbers between these values. Our tool allows you to use any large number in the range, so you don’t need to worry about the limit of the range you can use. Our tool also supports negative numbers, which means you can also use a range like -50 to 50.

Step 2: Choose How Many Numbers You Need

In the numbers input box, you will tell the tool how many random numbers to put in your list. The default value is 10, but you can set as many as you want.

Step 3: Pick How Many Sets to Generate

This is one of the most useful features. In the Sets input box, you can define how many independent lists you want to create all at the same time. So, if you want to generate 5 lists, instead of hitting the generate button 5 times, you can set the value to 5 in the Sets option and generate them at once. Each set will be totally independent from the others. This is really handy when you need to run multiple draws, compare different random samples, or set up several rounds of a game at the same time.

Step 4: Choose Your Options (The Dropdown Menus)

There are three dropdown menus that give you full control over how your numbers behave and look.

  • Allow Repeats: By default, the tool sets this dropdown to No (in the same set). That means each number in your list will be unique within the same set - no number shows up more than once in the same set. If you choose No (in all sets), the tool will generate unique numbers across the entire run, meaning no number will repeat in any of the sets. But if your task needs numbers to repeat - just switch Allow Repeats to Yes, and the tool will allow the same number to appear more than once in the list.
  • Sort: By default, your numbers come out in a completely random order. But you also have two sorting options:
    • Low to High - The tool arranges numbers from smallest to largest.
    • High to Low - Numbers go from largest to smallest.
    Sorting is useful when you want to read through your list easily or present results in a clean, organized way.
  • Output Style: This controls how your numbers look when you copy them. There are four formats to pick from, and you can see the details in the “Output Format Examples” section below.

Step 5: Generate and Copy Your Numbers

Hit the big green Generate Numbers button, and your results will appear below instantly. If you generate multiple sets, each one gets its own separate box with its own Copy button. So, you can grab just the set you need without copying everything together. And if you need all of them, you can hit the “Copy All Sets” button at the end of the generated sets.

Output Format Examples

The Output Style dropdown is one of the most important features of this tool. Here is what each format looks like:

Text with Commas (Default - works great for writing, messages, and general use)

56, 18, 63, 90, 79, 92, 83, 49, 47, 32

Text with Spaces (Clean and simple - good for a minimal look)

56 18 63 90 79 92 83 49 47 32

1 Spreadsheet Row (Tab-separated - paste into Excel or Google Sheets and numbers spread across the row horizontally)

56	18	63	90	79	92	83	49	47	32

1 Spreadsheet Column (Each number on its own line - paste into a spreadsheet and numbers go down in column vertically)

56
18
63
90
79
92
83
49
47
32

So, whether you are pasting numbers into a document, a spreadsheet, an email, or anywhere else, you can pick the format that fits your needs.

Popular Number Ranges People Use Every Day

This tool works for any range you can think of. But here are some of the most common setups people search for and use:

  • Random Number Generator 1 to 10 No Repeats: Perfect for small games, short lists, or picking from ten options. Great for classrooms with ten students or quick decision-making.
  • Random Number Generator 1-12 No Repeats: Useful for months of the year, clock hours, zodiac signs, or anything organized in groups of twelve.
  • Random Number Generator 1-24 No Repeats: Works great for hours in a day, 24-team tournaments, or daily schedule randomizers.
  • Random Number Generator 1-100 No Repeats: The most popular range on the tool. Perfect for giveaways, classroom draws, random sampling, and general-purpose number lists.
  • Custom Ranges: You are not limited to any preset. Set your min and max to whatever you need. Negative numbers, large numbers, unusual ranges—the tool handles them all without any issues.

Frequently Asked Questions

Can I generate a random number list where numbers do not repeat?

Yes. By using our Random Number Generator tool, you can easily generate a list of random numbers that don't repeat. However, if you want repeated numbers, our tool also supports this.

Can I use this tool to generate numbers for Excel or Google Sheets?

Absolutely. Choose the "1 Spreadsheet Row" format to paste numbers across a single row horizontally, or "1 Spreadsheet Column" to stack them vertically down one column. Both paste perfectly into Excel and Google Sheets.

Does it support negative numbers and large ranges?

Yes. You can set the Min to a negative number like -100 and the Max to any positive number. Large ranges work just as smoothly.

Can I generate multiple independent sets of numbers?

Yes. Use the Sets box to generate as many separate sets as you want in one click. Each set gets its own result box and its own copy button.