: Contains external raster images (PNG, JPG) or custom fonts required for the animation to render correctly.
: The core data that defines the animation's vector paths and keyframes.
Standard Lottie animations are JSON-based files. However, when an animation is complex, the ZIP container serves as a wrapper to keep all necessary components together:
: Zipping the JSON and its assets significantly reduces the total file size compared to raw formats, leading to faster web and app load times.
: Many design tools like Adobe After Effects (via the Bodymovin extension) offer the option to export as a ZIP to bundle external resources automatically. How to Work with Lottie ZIPs LottieFiles for Adobe After Effects - aescripts.com
While is not a formal standalone file extension, it typically refers to a Lottie animation package compressed into a ZIP file. This format is essential for animations that include external assets—like images or custom fonts—that cannot be embedded directly into a standard Lottie JSON file. Understanding the Lottie.zip Format