root@generate-random:~/teams$ _

Random Team Generator & Team Maker

Split lists into random teams with cryptographically secure randomization

[ Team Generator - Quick Summary ]

What: Random team generator that automatically divides a list into balanced random teams using cryptographically secure randomization and Fisher-Yates shuffle.

When to use: Creating sports teams, forming classroom groups, organizing workshop breakout sessions, balancing gaming teams, or any scenario requiring fair team distribution.

Example: 12 people → 3 teams → Team 1: [Alice, Bob, Carol, Dave], Team 2: [Eve, Frank, Grace, Henry], Team 3: [Ivy, Jack, Kate, Leo]

Important: Choose either number of teams (divide into X teams) or members per team (X members each). Uses CSPRNG for fair distribution. If members don't divide evenly, some teams get one extra member.

Our random team generator (also called a team maker) automatically divides your list into balanced random teams using cryptographically secure randomization. Generate random teams by specifying the number of teams or members per team. Perfect for sports team selection, classroom groups, project assignments, or any scenario requiring fair team distribution. Supports multiple separators (newlines, commas, semicolons, pipes, tabs, spaces), duplicate removal, and works seamlessly with Excel and CSV data. Export teams as text, CSV, or JSON. Completely free with no signup required.

What is a Team Generator?

A team generator (also called a team maker or random team picker) automatically divides a list of names or items into balanced random teams. Unlike a list shuffler that simply reorders items, a team generator groups items into separate teams based on your specifications.

Our tool uses cryptographically secure randomization (PHP's random_int()) combined with the Fisher-Yates shuffle algorithm to ensure perfectly fair team distribution. You can specify either the number of teams you want or how many members each team should have.

Team Generator Configuration Options

Division Methods

Choose how to divide your list into teams:

Number of Teams: Specify how many teams to create (e.g., 4 teams). Members are distributed evenly across teams.
Members per Team: Specify team size (e.g., 5 members per team). Creates as many full teams as possible.

Multiple Separator Support

Supports all common separators for maximum compatibility:

Newlines: One name per line (default, best for Excel copy-paste)
Commas: CSV format (Name1, Name2, Name3)
Semicolons: European CSV format
Pipes, Tabs, Spaces: Various data formats

Duplicate Removal

Automatically remove duplicate entries before team generation to ensure each person appears in only one team. Essential for fair team distribution.

Cryptographically Secure Randomization

Uses Fisher-Yates shuffle with PHP's random_int() function for statistically perfect randomization. Every possible team combination has equal probability. No predictable patterns or bias.

How to Generate Random Teams

[STEP 1] Enter Your List

Paste your list of names into the text area. Each name on a new line, or use commas/semicolons to separate. Works perfectly with Excel copy-paste.

[STEP 1] Choose Division Method

Select whether you want to specify the number of teams (e.g., "divide into 4 teams") or members per team (e.g., "5 members per team").

[STEP 1] Set Team Count or Size

Enter the number of teams or members per team. The tool will automatically calculate the distribution and handle any remaining members.

[STEP 1] Generate & Export

Click "Generate Teams" to create random teams instantly. Copy individual teams, all teams at once, or export as TXT, CSV, or JSON.

Common Use Cases for Team Generation

› Sports Team Selection: Create balanced teams for basketball, soccer, volleyball, or any sport
› Classroom Group Work: Divide students into random project groups or study teams
› Workshop Breakout Groups: Organize conference or training participants into discussion groups
› Gaming Tournaments: Create balanced teams for esports, board games, or party games
› Work Project Assignment: Randomly assign employees to project teams or task forces
› Secret Santa Groups: Organize participants into gift exchange groups

Team Generator Best Practices

_ Use "Remove Duplicates" to ensure each person appears in only one team
_ For sports, "Number of Teams" works best (e.g., 2 teams for a match)
_ For classroom groups, "Members per Team" ensures consistent group sizes
_ If members don't divide evenly, some teams will have one extra member
_ Generate teams multiple times if you want different random arrangements

Technical Implementation

Combines Fisher-Yates shuffle with cryptographically secure random_int() for fair randomization, then distributes members across teams using round-robin allocation for perfect balance.

// Fisher-Yates shuffle for randomization
for ($i = count($members) - 1; $i > 0; $i--) {
    $j = random_int(0, $i);
    [$members[$i], $members[$j]] = [$members[$j], $members[$i]];
}

// Distribute to teams (round-robin)
$teams = array_fill(0, $teamCount, []);
foreach ($members as $index => $member) {
    $teams[$index % $teamCount][] = $member;
}

API Access for Developers

GET https://generate-random.org/api/v1/generate/teams

VIEW FULL API DOCUMENTATION →

Frequently Asked Questions

Is team generation truly random and fair? ▶

Yes! Our team generator uses cryptographically secure randomization (PHP's random_int() with OS entropy) combined with the Fisher-Yates shuffle algorithm. This ensures statistically perfect randomization with zero bias. Every possible team combination has exactly equal probability.

What happens if members don't divide evenly into teams? ▶

If the total number of members doesn't divide evenly, some teams will have one extra member. For example, with 10 members and 3 teams, you'll get teams of 4, 3, and 3 members. The tool distributes extras as evenly as possible.

Can I generate teams multiple times for different arrangements? ▶

Absolutely! Each generation is completely independent with fresh random values. Click "Generate Teams" multiple times to get different random team arrangements. Perfect if you're not satisfied with the first result or want to explore different possibilities.

What's the difference between 'Number of Teams' and 'Members per Team'? ▶

Number of Teams creates a specific number of teams and distributes all members across them (e.g., "divide 20 people into 4 teams" = 5 per team). Members per Team creates teams of a specific size (e.g., "5 members per team" with 22 people = 4 full teams + 2 unassigned).

Does this work with Excel and Google Sheets? ▶

Yes! Copy names from Excel or Google Sheets and paste directly into our tool. The team generator automatically detects tabs and newlines used by spreadsheet applications. Perfect for classroom rosters or employee lists.

What's the difference between a team generator and a list randomizer? ▶

A team generator divides your list into separate random teams (groups). A list randomizer shuffles your entire list into a random order without grouping. Use team generator for sports teams or group projects, list randomizer for random ordering or selection sequences.

[ HOW TO CITE THIS PAGE ]

APA Style:
Generate-Random.org. (2025). Random Team Generator & Team Maker. Retrieved from https://generate-random.org/teams

Web Citation:
Random Team Generator & Team Maker - Generate-Random.org (https://generate-random.org/teams)