Ever needed to drop an animation, logo, or green-screen-like clip into your web project, only to realize the source video has a plain white background instead of transparency? If you're like me, opening Premiere Pro or After Effects just to key out a simple background feels like overkill. So I decided to tackle this directly in the browser. The Problem with White Backgrounds in Video Unlike PNGs, standard web video formats (like MP4/H.264) don't natively support alpha transpa...