A beginner MediaPipe JavaScript example: build a rainbow drawing app in the browser. No npm, no backend, one HTML file.

Try the live demo

What You'll Build

A real-time hand tracking and face tracking web app powered by Google MediaPipe. Draw rainbow trails by pointing your index finger, burst star particles with a peace sign, and trigger a glowing MAGIC text effect by opening your mouth. All of it runs locally in the browser with zero installation.

Features at a glance: