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About GroupMixer

The story behind GroupMixer

GroupMixer - Group generator and optimizer

Create random, balanced, and constraint-aware groups for workshops, classrooms, and networking rounds. Runs in your browser.

Product

About GroupMixer
Scenario editor Advanced workspace
Help
Guides
Benchmarks
Auto solver architecture
Repeat-free schedule coverage
Minimum-repeat schedule quality
Flexible group-size coverage
Round robin exact coverage
Happy Diner frontier
API
Blog

Tools

Random Group Generator
Multi-Round Group Generator With Minimal Repeats
Speed Networking Generator
Classroom Group Generator
Random Team Generator
Breakout Room Generator
Team Randomizer
Student Group Generator
Group Maker
Workshop Group Generator
Social Golfer Solver

Guides

Avoid repeat pairings
Run speed networking rounds
Make balanced student groups
Random vs balanced groups
Split a class into fair groups
Make random pairs
Round robin groups
Run station rotations
Assign breakout rooms
Zoom breakout CSV workflow
Create balanced random teams

© 2026 Guido Witt-Dörring

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