Lottie (file format) based on JSON
Lottie is a file format for vector graphics animation, and is named after Charlotte "Lotte" Reiniger, a German pioneer of silhouette animation.Description
Lottie is based in JSON but Lottie files use keys of 1–2 characters in length and are not readable by humans.
It is intended as a lighter alternative to animated GIFs and APNG files for use in the web and mobile and desktop applications.
Being vectorial it is independent of the device resolution.
It can also include raster graphic elements.
It allows to be programmed and interactive.The different player implementations have tradeoffs between CPU, GPU and memory usage.