I Built a Webcam Sign-Language Reader in the Browser (No Cloud) (opens in new tab)

"AI that reads sign language" sounds like a research lab and a GPU cluster. But a genuinely useful starting version runs entirely in your browser, with no model upload and no cloud — the camera feed never leaves your machine. Here's how I built a webcam sign reader from scratch. This is Day 7 of SolveFromZero, where I solve a real, useful problem each day. The browser can track a hand You don't need a server or a camera SDK. Google's MediaPipe ships a tiny hand-tracking model that runs on Web...