Duplicate Integers

Need to spit out some random numbers fast? The Duplicate Integers tool gives you full control over how many integers you want, what range they should fall in, and whether or not repeats are allowed. You get instant results right in your browser, with options to copy, export, and tweak the formatting to match exactly what you need.

Total integers: 0
Options
Allow duplicates
Sort output
Maximize output
Output format:

How to Use:

  • Set the Min Value and Max Value to define your range
  • Enter a number in How Many Integers to decide how many to generate
  • Toggle Allow duplicates on if you’re okay with repeats
  • Flip Sort output on if you want the results in order
  • Pick how the results should appear using Output format:
    • Comma-separated
    • One per line
    • Space-separated
  • Hit Generate to create your list instantly
  • Click Copy Output to copy or Export to File to download it
  • Use Clear All to reset the inputs and output
  • Use Maximize output if you want more room to view results

What Duplicate Integers can do:

This tool creates a list of random integers with full control over range, count, duplicates, and layout. Whether you’re testing something, prepping a spreadsheet, or just want to spit out a bunch of numbers it gets the job done with zero fuss. You’ll see your results instantly and can format them however you need. You’re not locked into a fixed style or format either toggles and modes let you switch it up on the fly.

Example:

Min Value: 10  
Max Value: 20  
How Many Integers: 5  
Allow duplicates: Off  
Output format: comma

Output:
12, 19, 10, 15, 17

Common Use Cases:

Great for generating test data, math practice sets, lottery-style picks, randomized lists, or anything where you need a fast batch of integers. The duplicates toggle means you can use it for truly random results or unique selections perfect for both casual and technical needs.

Useful Tools & Suggestions:

After using Duplicate Integers, try Shuffle Integers to mix up the repeated values for randomness. And if you want to work at the digit level instead, Duplicate Integer Digits gives you more granular control.

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