Random team generator: how to split a group into fair teams

What the tool does

You paste or type a list of names, one per line or separated by commas, and the generator splits them into teams. You can ask for a certain number of teams, or for a certain number of people per team, and the tool works out the rest. It handles up to sixty names, and each name can be up to twenty characters long.

When you press shuffle, the names fly into team boxes in a short animation, and the result appears as colorful team cards. Every team receives a fun animal name, such as a tiger, an eagle or a penguin, so groups have an identity from the very first minute. If you do not like the team names, you can draw new ones without changing who is on which team.

How to use it, step by step

Setting up a draw takes less than a minute, even for a big group.

• Paste your names, or tap the sample names to try the tool first.
• Choose whether to split by number of teams or by number of people per team.
• Mark captains with a star before the name if you want them kept apart.
• Press shuffle, then copy the result as text or share the link with the group.

Tips for better teams

Clean the list before you shuffle. Use the same spelling for every name, remove duplicates and add a last initial when two people share a first name. If somebody is absent, delete the name first, because the sizes are calculated from the list you provide.

A pure random draw gives a fair process, but not always a balanced match. If skill levels differ a lot, use a two-step method. Make one draw with only the strongest players or the team captains, so each team gets one of them, then add everybody else. The captain option does exactly that: captains are dealt out first, one per team, and everyone else is shuffled in afterward. If there are more captains than teams, some teams will have two.

You can also run the generator several times. Press shuffle again if a result feels lopsided, for example when all the friends from one office end up together. Because every shuffle is independent, re-drawing is as fair as the first draw. Agree before you start whether the first result is final, otherwise people may keep asking for another round until they get a team they like.

Why the draw is fair

The names are mixed with your browser's cryptographic random number generator and a shuffling method called Fisher–Yates. In plain terms, this means every possible arrangement of the names is equally likely. The tool cannot be steered, and neither can the people using it, which is the whole point of a neutral draw.

Team sizes are also kept even. They never differ by more than one person, so with ten names and three teams you get teams of four, three and three. The order of the teams is shuffled as well, which means that it is random which team ends up with the extra person, rather than always being the first one.

Why random teams work

Anyone who has stood in a line waiting to be picked knows how uncomfortable choosing sides can be. A random draw removes the social pressure, because nobody is judged and nobody has to choose. It also mixes groups of friends, helps people meet new teammates and makes the result feel legitimate even to those who did not get their first choice. Teachers and coaches often use random teams for exactly this reason.

The shuffling method has an interesting history. Ronald Fisher and Frank Yates described a paper-and-pencil version of it in 1938, and Richard Durstenfeld published the faster form used by computers in 1964. It remains the standard way to shuffle a list fairly, from card games to software.

Sharing the result and your privacy

You can copy the teams as plain text for a chat message, or share a link that opens the same result for everyone. The link itself carries the names and the exact teams, so nothing is saved on a server, and the person who opens it can then make their own teams. The names you typed last stay only in your browser so you do not have to retype them. If you are on a shared computer, clear the list when you are done.