About Coordination Trainer
Free browser-based reaction time and hand-eye coordination trainer — no signup, no install, works on desktop and mobile. 5-round millisecond test, local leaderboard, shareable result card, drills and rhythm trainer.
Coordination Trainer is a free browser-based tool for improving reaction speed and hand-eye coordination without equipment, signups, or installs. Players run a 5-round reaction time test with millisecond timing, compare against a local leaderboard, and share a result card. The site also includes coordination drills, a rhythm trainer, a directional flash reflex trainer, and a mobile version. Ideal for esports players warming up, athletes cross-training reaction, and anyone keeping reflexes sharp.
