Random Set Generator
Generate one or more sets from a numeric range or from custom list items you provide. Control the size of each set and whether values can repeat.
Generated set
Generate a number set or custom item set to see results.
Generate random sets online
Use this random set generator to create random sets of numbers or custom list items. You can generate one set or multiple sets and copy the results for games, lessons, testing, and selection tasks.
Random number sets
Number set mode creates unique numbers inside each set from your selected minimum and maximum range. Set the size, choose how many sets to create, and sort each set when you want clean numeric output.
Random item sets
Custom item set mode lets you enter one item per line and generate random groups from that list. Items inside each set are unique, and you can decide whether items may appear across different sets.
What can you use a random set generator for?
Games
Create number sets, item groups, teams, or randomized rounds.
Classroom groups
Make quick sets for group work, prompts, and activities.
Sample groups
Generate example groups for spreadsheets, demos, and mock records.
Testing
Create sample set values for forms, UI states, and data examples.
Random selections
Select several items or numbers at once.
Choosing teams
Build item sets that can stand in for teams or groups.
Number sets
Generate unique numbers from a custom range.
Item sets
Paste a list and generate random groups from it.
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Frequently Asked Questions
What is a random set generator?
A random set generator creates one or more sets from a number range or a custom list of items.
Can I generate a random set of numbers?
Yes. Choose number set mode, enter a minimum and maximum number, then set the size of each set.
Can I generate a set from my own list?
Yes. Choose custom item set mode, enter one item per line, and generate one or more sets.
Are items repeated inside a set?
No. Items and numbers inside each set are unique by default.
Can I generate multiple sets?
Yes. Set the number of sets to create multiple random number sets or item sets at once.
Is this random set generator free?
Yes. This random set generator is free to use online.
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