Split any group of people into random balanced teams instantly. Perfect for sports, classrooms, games, and work activities.
Our team generator uses the Fisher-Yates shuffle algorithm — the gold standard for unbiased random shuffling — to ensure every possible team arrangement is equally likely. Enter your participants, choose your team count, and get instantly balanced teams. Use it for sports team selection, classroom group work, hackathon team formation, game night, trivia competitions, or any activity requiring fair random team assignment. Each team card is copyable, and you can customize team names to match your activity.
The team generator uses the Fisher-Yates shuffle algorithm — widely considered the gold standard for unbiased random shuffling — to randomize the order of all participant names before distributing them into teams. The Fisher-Yates algorithm works by iterating through the list from the last element to the first, swapping each element with a randomly selected element at or before its current position. This produces a uniformly random permutation: every possible ordering of the names is equally likely, with no bias toward any particular arrangement.
A naive shuffle — such as sorting by a random value assigned to each element — produces biased results because some permutations are systematically more likely than others due to the way comparison-based sorts handle equal values. Fisher-Yates avoids this entirely by operating directly on indices rather than through comparison. The result is that the team assignments are provably fair: every possible way of dividing your participants into the specified number of teams is equally probable.
After shuffling, participants are distributed into teams sequentially from the shuffled list. For n participants and k teams, the first n mod k teams receive one extra member, with the remainder distributed as evenly as possible. For example, 23 participants divided into 4 teams produces teams of 6, 6, 6, and 5. This balancing algorithm minimises the maximum size difference between teams to at most one person.
A PE teacher has 23 students for a basketball tournament and wants to form 4 teams. She enters all 23 student names into the text area (pasted from her class roster spreadsheet), selects "4 teams," and clicks Generate Teams. The tool shuffles all 23 names using Fisher-Yates and distributes them as 6-6-6-5 across four team cards. The entire process takes under 10 seconds from paste to result.
The critical benefit is the perception of fairness as much as the fairness itself. When students see the name list pasted publicly and the generator run in front of the class, they understand immediately that team composition was not influenced by the teacher's preferences or by social dynamics among the students. This is especially important in settings where team selection has historically been a source of social anxiety — random assignment removes that entirely. She renames the four default team labels to match the tournament bracket and copies each team's roster for printing.
Other uses: a hackathon organiser divides 40 participants into 8 teams of 5 for a coding competition; a corporate trainer forms random breakout groups for a workshop, ensuring people who usually sit together end up in different groups; a trivia night host forms teams from a list of 30 walk-in contestants; a military unit uses the team generator to assign patrol pairs randomly; a book club divides its 12 members into 3 discussion groups for a multi-text session. In each case, randomness produces fairer, less socially fraught team compositions than any human-driven selection process would.
Enter all participant names (one per line or comma-separated), set the number of teams you want (2–10), and click GENERATE TEAMS. The tool shuffles all names using the Fisher-Yates algorithm and distributes them evenly across teams.
Yes. Switch from "Number of teams" to "Members per team" using the radio buttons, then set the team size you want. The generator will create as many teams as needed to accommodate all participants at that size.
Yes. The generator distributes names as evenly as possible. If the total number of people does not divide evenly, some teams will have one extra member. For example, 10 people in 3 teams gives teams of 4, 3, 3.
Yes. Each team card has an editable name field that defaults to "Team 1", "Team 2", etc. Click on the team name to type a custom name for each team.
Yes. Click the Regenerate button to create a new random split of the same names into teams. Your name list is saved between sessions, so you do not need to re-enter names on your next visit.