Developer builds free browser-based motion design studio with no account required

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A developer has built AtomCut, a free, browser-based motion design studio that started as a simple text animation tool and evolved into a full-featured platform. The tool runs entirely offline without requiring an account, and supports keyframe animation, watercolour painting, motion tracking, auto-captions, and export to MP4, GIF, SVG, and Lottie formats. Its architecture is built around a single pure rendering function and a versioned JSON document format, meaning the preview and export renderers are identical and old project files remain fully compatible. The developer credits a clean separation between animation logic and UI code as the key architectural decision that allowed features to expand without proportional growth in complexity. The project, whose original folder is still named 'typomation', reached schema version 71 while maintaining backward compatibility with files from its earliest builds.

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