Open source

Lottie iOS: Smooth Animations Without Video

Learn how Lottie iOS renders After Effects animations natively. Open source library by Airbnb.

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The story

What the video said

You are building an app and want smooth animations. But video files are heavy and slow. You need a lighter way to add motion. Lottie iOS is an open source library from Airbnb. It turns After Effects animations into small JSON files. Your app plays them fast. Instead of video, Lottie reads the JSON and draws each frame with Core Animation. This keeps your app smooth and small. You can see the result in the demo. A heart button animates with a bounce. It looks native and runs without lag. So if you want light, smooth animations, try Lottie iOS. It is free and ready for your next app.

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