Use the Copy button (or press c). Want it for your own product? Use Customize first.

An AI coding agent works best because it can write files and record the result. The creator used Opus 5.5.

The agent writes the animation (Python + ffmpeg). Open it in a browser to preview.

Ask for timing, easing or copy changes one beat at a time. Small, specific notes give the best results.

Ask the agent to record the animation to an MP4 — Playwright or Remotion can export frame-perfect video.