Remotion (Programmatic Video) Build real MP4/GIF/WebM videos in React. Every frame is a pure function of , so output is deterministic, scrubbable, diffable, and renderable in CI. The code-first alternative to After Effects for templated and data-driven motion graphics. When to use - Render MP4/GIF/WebM from code (social clips, title cards, explainers). - Templated/data-driven videos: one composition, many outputs from props (per-user, per-record, per-row of a CSV/DB). - Motion graphics that must be versioned, code-reviewed, and rendered in CI without a GUI. - Programmatic audio sync, charts t…