DotLottie: The Next-Gen Animation Format Taking Over in 2026

The original Lottie JSON format was a breakthrough, but as animations became more complex, the file sizes grew. Enter .lottie — the new binary container format that is setting a new standard for animation delivery on the web and mobile.

What is .lottie?

The .lottie format is a ZIP-based container developed by LottieFiles. Think of it as a bundle: it packages your animation JSON, any embedded image assets, and metadata into a single compressed archive. The result is dramatically smaller files with a unified, self-contained delivery unit.

Multi-Animation Support

One of the killer features of .lottie is that a single file can contain multiple animation sequences. You ship one file to the client, and your JavaScript selects which animation to play based on application state. This is a massive improvement for design systems that have multiple states (idle, hover, success, error) for a single component.

How to Create .lottie Files

The easiest path is through the LottieFiles web editor or the desktop app. You can also use the open-source dotlottie-js library to programmatically create and manipulate .lottie bundles in your build pipeline.

"DotLottie is to Lottie what WebP was to PNG. It's a necessary evolution driven entirely by real-world performance demands."

Browser Support and Player Libraries

The @lottiefiles/dotlottie-web player supports .lottie natively and uses WASM for near-native rendering performance. It outputs to a Canvas element, further reducing the compositing cost. Support is excellent across all modern browsers. You can also use Animation Grabber to download and inspect .lottie files directly.

Conclusion

If you're still shipping raw Lottie JSON in 2026, you're leaving significant performance on the table. Migrating to .lottie is a low-effort, high-impact change that every team should prioritize this year.