Random Groups

Assign participants to balanced or random groups with an animated Plinko board.

Open the Random Groups tool to get started. Everything is processed locally in your browser — no data ever leaves your device.

Features

• Add participants by pasting a list or one by one (removable chips)
• Drop every ball at once through the animated Plinko board
• Assign to 2-10 groups in Balanced or Random mode
• Balanced mode keeps group sizes as even as possible (max-min ≤ 1)
• Live group cards that fill in as each ball lands
• Custom group names
• Copy results as text, export CSV/JSON, or copy/download a share image
• Confetti and sound toggles
• Participants and settings persist in localStorage
• 100% client-side, no dependencies