Breakout Room Generator
Split participants into breakout rooms instantly. Paste names, set room count, and generate. Perfect for workshops, classes, and remote sessions.
Useful when you need room assignments fast, but still want the option to rotate people across rounds and reduce repetitive pairings.
Try the full group optimizer.
Works for classrooms, workshops, and events
Start with a simple random split. When you need more control, GroupMixer grows with you.
Classroom groups
Teachers paste a student roster and create balanced groups in seconds. No learning curve.
Workshop breakout rooms
Split participants into breakout rooms for a single session or rotate across multiple rounds.
Speed networking
Generate multiple rounds where people meet new faces each time. Minimize repeat pairings automatically.
Team projects
Divide a class or team into project groups. Optionally balance by skill, role, or department.
Conference sessions
Assign attendees to parallel tracks or discussion tables while respecting constraints.
Social mixers
Plan icebreaker rounds where everyone meets someone new. Keep certain people together or apart.
Need more control?
GroupMixer is more than a random shuffler. When simple groups aren't enough, unlock advanced rules without switching tools.
Keep certain people together
Ensure friends, co-workers, or pre-assigned pairs always land in the same group.
Keep certain people apart
Prevent specific people from being grouped together — useful for conflict avoidance or diversity.
Avoid repeat pairings
Run multiple rounds where the same two people don't end up together again.
Balance groups by attribute
Use CSV input to balance groups by role, skill level, gender, department, or any custom column.
The expert workspace gives you full control over sessions, constraints, solver settings, and detailed result analysis.
Frequently asked questions
How do I create breakout rooms?
Paste participant names, choose the number of rooms, and click Generate. GroupMixer assigns everyone to rooms instantly.
Can I rotate people across multiple breakout rounds?
Yes. Set the number of sessions in the advanced options and enable "Avoid repeat pairings" so people meet new faces each round.
Is GroupMixer free to use?
Yes. GroupMixer is completely free. There is no sign-up, no account required, and no usage limits.
Does my data stay private?
Yes. All processing happens locally in your browser. Your names and group data are never sent to a server.
Can I add rules like keep-together or keep-apart?
Yes. Open the advanced options to add keep-together groups, avoid-pairing rules, multiple sessions, and attribute balancing. Or use the expert workspace for full control.