An open-source (Apache 2.0) HTML-to-video rendering framework by HeyGen, designed for AI coding agents. You write video compositions as HTML/CSS with data attributes and GSAP animations, preview in the browser, and render deterministic MP4 via headless Chrome + FFmpeg. Installable as agent skills for Claude Code, Codex, Cursor, etc.; a Studio app and hosted connector let agents build and render videos in a chat interface. Best suited for information-dense content: data visualizations, UI demos, product explainers, tutorial overlays, motion graphics. It does NOT generate cinematic footage or realistic people—for that, use generative video models (Runway, Pika, Veo). Note: there are multiple unrelated products named \"HyperFrames\" (hyper-frames.com, hyperframe.ai); this entry refers specifically to HeyGen\'s framework at hyperframes.studio / hyperframes.heygen.com. Free for local rendering; cloud rendering and HeyGen voices/avatars bill through HeyGen credits. Chinese text layout may require pre-rendering titles in design tools.
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