I asked an agent to make a product video. It wrote HTML and rendered an MP4 - Dota Companion
I needed two videos for a Chrome extension I built: a promo and a walkthrough. I did not want to open a video editor. So I used HyperFrames — HeyGen's open-source (Apache 2.0) HTML-to-MP4 framework. Compositions are plain HTML and CSS. No JSX, no bundler, no build step. Timing lives in data attributes; motion comes from GSAP. A headless Chrome seeks the timeline frame by frame and FFmpeg encodes…
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