Utiloom
Image Tools

Lottie Preview

Preview Lottie JSON animations with playback controls, background presets, and animation insights before shipping.

Preview Lottie animations in real time

Upload a Lottie JSON file, adjust playback and background settings, and inspect the animation before handing it to product or engineering.

Unexpected end of JSON input

Preview stage

Animation insights

Canvas

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Duration

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Frame rate

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Payload size

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Layers

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Image assets

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About this tool

Preview Lottie animations directly in the browser when you need to review motion files, validate playback, and check dimensions or asset weight before handoff.

  • Supports pasted or uploaded Lottie JSON with instant browser-side rendering.
  • Includes play, pause, loop, speed, background, and preview size controls.
  • Shows useful animation insights like canvas size, duration, frame rate, layer count, and image assets.

How to use Lottie Preview

Open the interactive panel above, enter your content, and review the output instantly. Utiloom keeps processing in the browser whenever possible so you can move faster without adding server complexity.

Why people use this tool

Search-friendly utility pages work well when they answer a focused job clearly. This page includes descriptive metadata, structured copy, and FAQs to support both visitors and search engines.

Frequently asked questions

Can I preview a Lottie file without uploading it to a server?

Yes. The preview runs entirely in your browser, so you can paste or upload the JSON locally and inspect it immediately.

Does the preview tool show animation stats?

Yes. It surfaces dimensions, duration, frame rate, layer count, and image asset counts to help you review the file before handoff.