Fast knockout
Single elimination
One loss ends the run. 2–128 teams, automatic byes, seeded or random.
Open generator → Second chanceDouble elimination
Winners and losers brackets, with an optional reset final. 2–128 teams.
Open generator → Everyone playsRound robin
Every team meets every other team. Standings and a total-time estimate.
Open generator → Record pairingSwiss system
Pair by record each round, avoid rematches, rank with Buchholz. 2–128 players.
Open generator → Balanced drawRandom teams
Shuffle players into balanced teams. Sizes differ by at most one.
Open generator → Balanced drawRandom groups
Split teams or players into even groups for a group stage or classroom.
Open generator →Which format should I use?
| Format | Best for | What ends a run | Output |
|---|---|---|---|
| Single elimination | Fast events, limited time | One loss | One champion |
| Double elimination | Teams should survive one loss | Two losses | Winners + losers final |
| Round robin | Everyone should play everyone | No elimination | Standings |
| Swiss system | Many players, fewer rounds | No elimination | Ranked standings |
| Random teams / groups | A fair draw, no matches | No matches | Balanced teams or groups |
Every tool includes
- 2 to 128 teams or players.
- Sequential, random, or manual seeding where the format uses seeds.
- Click-to-advance results; changing a result clears downstream picks.
- Share links, named local saves, and JSON export/import.
- Print / PDF layout and a mobile-first interface.
Popular bracket sizes
4 teams
5 teams
6 teams
7 teams
8 teams
9 teams
10 teams
12 teams
16 teams
20 teams
24 teams
32 teams
64-team template
Need a blank sheet? Print free blank brackets from the free printables page. No account required.