Random Team Generator

How it works

This team generator shuffles your list with the Web Crypto API (crypto.getRandomValues) using a Fisher-Yates shuffle, so every possible team assignment is equally likely. Choose Team size to make pairs or groups of a fixed size, or Number of teams to divide everyone into a set number of teams.

Everything runs locally in your browser. Your names are never sent to a server, nothing is stored, and there is no tracking of any kind.

Frequently asked questions

How do I make random pairs?

Leave the mode on Team size with a value of 2 and press Make Teams. Every non-empty line becomes one person, and the shuffle pairs them randomly. Press Shuffle Again for a fresh set of pairs.

What happens when the names don’t divide evenly?

Nobody is left out. In Team size mode the tool builds as many full teams as fit and spreads the remaining people across them, so with 7 names and a team size of 2 you get one team of 3 and two teams of 2. In Number of teams mode people are dealt round-robin, so team sizes differ by at most one.

Is the matching actually fair?

Yes. The shuffle uses cryptographically secure randomness with rejection sampling to avoid modulo bias, which makes every arrangement equally likely. It is the same class of randomness browsers use for generating keys, not a simple Math.random().

Can I paste names separated by commas instead of lines?

Yes. Names can be separated by new lines, commas, or semicolons, and any mix of the three. Extra spaces and blank lines are ignored, so you can paste a list straight from a spreadsheet, chat, or email.

Does the tool remember my list after I reload?

No. Because nothing is saved or sent anywhere, refreshing the page resets the list to the example names. Keep your roster in a separate note if you plan to reuse it.

Ready-made splits

• Random Pair Generator Deal any list into pairs
• Random Teams of 3 Preset to teams of three
• Random Teams of 4 Preset to teams of four
• Split Into 2 Teams Two even sides, dealt fairly
• Random Group Generator Divide a list into any number of groups

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