Lottie optimizer, checker & repair

Check and repair Lottie files online.

Make Lottie files smaller, find problems, and fix supported issues before you ship.

Private by designFiles are not stored.

Drop your animation here

or press Enter to browse · .json and .lottie · maximum 15 MB

FAQ

Lottie checker questions.

What problems can LottieFyr find?

Broken asset references, missing files, invalid structure, clipping, compatibility risks, and unnecessary file weight.

Can LottieFyr repair a Lottie file?

Yes. Supported repairs include broken image links, clipped content, oversized images, unused assets, and excessive numeric precision.

Which Lottie files can I upload?

Upload a Lottie JSON or dotLottie file up to 15 MB.

Can LottieFyr fix missing images?

Yes, if you supply the original PNG or JPEG. Missing artwork cannot be recreated.

How is a repaired Lottie file checked?

Supported repairs are reassessed and compared at representative frames in SVG and Canvas.

Does LottieFyr store uploaded files?

No. Uploaded animations, previews, and repair reports are not stored.