I built a free browser-based hardware testing...

The problem I kept running into Every time I joined a video call, I'd wonder — is my mic actually working? Is my webcam on? Are my speakers outputting to both channels? Every tool I found either required a download, had annoying ads, or only tested one thing at a time. So I built MicCheck Online — a free collection of hardware testing tools that run entirely in your browser. What it includes Mic Test — real-time audio levels, clipping detection, device switching Webcam Test — camera preview, res