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Split a pasted list of teammates into N balanced groups using an in-browser shuffle. Great for hackathons and stand-up rotations; re-run for a new draw.
Quick answer: Random Team Generator
Fisher–Yates shuffle splits roster into balanced random teams.
Example: 18 attendees into four teams yields four lines you can paste back into Zoom chat.
Calculations follow the documented formula on this page; rounding and input units can change the last digit-treat outputs as educational estimates unless you reconcile with source systems.
* This is an estimate. Actual amounts may vary slightly based on input assumptions.
Great for workshops and stand-up rotations. Not audited for prize drawings - use regulated RNG when law requires.
Split a pasted list of teammates into N balanced groups using an in-browser shuffle. Great for hackathons and stand-up rotations; re-run for a new draw.
Inputs on this page: Names (comma or newline separated), Number of teams. Assumptions stay visible so you can reproduce the figure elsewhere.
Long-form walkthroughs that pair well with this calculator. When you need narrative context beyond the live fields, start here and return to the tool to plug in your own numbers.
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Read guide →People who care about random team generator use Random Team Generator as a planning sandbox: Team sizes differ by at most one when counts do not divide evenly.
Continue in the Utility category hub, the Utility tools collection, or the glossary. Related calculators in this session: Word Counter, Case Converter, Color Palette Generator, Username Generator, Random Name Generator, Character Counter.
The Formula
Fisher–Yates shuffle then round-robin into N buckets| This tool | Fisher–Yates shuffle then round-robin into N buckets |
|---|---|
| Related intent: random team generator | See paired tools for random team generator-each page documents its own core relationship next to the live form. |
| Related intent: split names into random groups | See paired tools for split names into random groups-each page documents its own core relationship next to the live form. |
Core relationship for Random Team Generator:
Fisher–Yates shuffle then round-robin into N buckets
Worked check: 18 attendees into four teams yields four lines you can paste back into Zoom chat.
Keep the same assumptions and open a neighbor calculator when your question branches: Word Counter, Case Converter, Color Palette Generator, Username Generator. Each page documents its own formula beside the fields.
Learning links: Methodology · Editorial policy · Glossary
18 attendees into four teams yields four lines you can paste back into Zoom chat.
Re-enter the same numbers in the calculator above to confirm the page math matches the interactive result.
People who care about random team generator use Random Team Generator as a planning sandbox: Team sizes differ by at most one when counts do not divide evenly.
Instant response
Run Random Team Generator in the browser and read the breakdown beside the form.
Transparent formula
The formula and worked example on this page match what the calculator uses.
Privacy friendly
No account required; inputs stay in your session unless you choose to share them.
Cross-device ready
Layout works on mobile, tablet, and desktop for the same field labels.
Official references for context. Calculator outputs are planning estimates—confirm material decisions with the primary authority or a qualified professional. See our methodology and editorial policy.
Reviewed July 18, 2026 · Content stamp 2026-07-18
Click a question to expand the answer.
It uses Math.random; good for icebreakers, not lottery law.
Teams differ by at most one person when counts do not divide evenly.
They are treated as separate roster entries.
Manually edit teams after the shuffle if needed.
Same process; paste Slack handles instead of names.
Fisher–Yates shuffle splits roster into balanced random teams.
18 attendees into four teams yields four lines you can paste back into Zoom chat.
Team sizes differ by at most one when counts do not divide evenly. Re-roll fairness by clicking calculate again if someone swaps in last minute.
Same-category picks first, then high-intent neighbors that often answer the next calculation question.
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Date Difference Calculator
Calculate days, weeks, months between two dates.
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Reviewed by Toollabz Editorial
Product editor | Last reviewed July 18, 2026
See methodology and editorial policy.