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Lottie Tools

Free online Lottie tools for preview, validation, cleanup, and responsive testing.

Start with browser-based Lottie workflows for previewing JSON, validating structure, changing colors, optimizing files, exporting GIF previews, and preparing animation handoffs.

liveLottie to MP4/WebM Converter

Open this private browser-based animation utility.

livedotLottie Pack/Unpack

Open this private browser-based animation utility.

liveAnimation Accessibility Checker

Open this private browser-based animation utility.

liveLottie Sprite Sheet Generator

Open this private browser-based animation utility.

Workflow guide

How to use this tool category

Lottie tools are useful when a product team needs to check an animation before it enters a website, app, help article, or developer handoff. Use the previewer to confirm playback and backgrounds, the validator to catch obvious JSON problems, the optimizer to reduce file weight, and the color replacer when a brand or dark-mode variant is needed. Files are handled in the browser whenever the individual tool supports local processing, which keeps quick reviews practical for designers and frontend developers.

Review Before using a file in production

Check the source format, preview the result, compare it against the intended product screen, and keep a copy of the original file for handoff.

Privacy Browser-first workflow

The tools are designed for quick browser review. For sensitive client files, use local copies, avoid public URLs, and confirm the individual tool behavior before sharing assets.