Free Lottie tools
Trace pictures, animate logos, and preview or convert Lottie animations. Everything runs in your browser, so your files stay on your device. And when you want to make your own, Mosso is the app for that.
Runs fully in your browser. Your files are never uploaded.
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Logo animation maker
Turn a logo into named vector parts, pick a motion style and open it in Mosso.
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PNG to SVG converter
Trace a picture into vector shapes. Adjust the colours and detail, then download the SVG.
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Lottie viewer and checker
Preview a .json or .lottie file, scrub through it and get a plain report on what might break.
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Lottie to GIF
Make a GIF for email, Slack and slides. Any size, any background, see-through too.
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Lottie to MP4
Make a video for social posts, slides and video editors. MP4, WebM or transparent WebM.
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dotLottie converter
Pack Lottie JSON into a smaller .lottie file, or unpack a .lottie into JSON. One file or a batch.
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Lottie maker
Make your own Lottie animations: start blank or from the library, add shapes, text and your logo, animate them with one click or with keyframes, and export Lottie, GIF or MP4. Open any Lottie to change it too.
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Free Lottie animations
Loaders, confetti, animated text, icons and app moments. Pick a sample look to recolour them, then download Lottie or dotLottie for free.
Make your own Lottie animations
Mosso is where you make them, not only open them. Start from a blank canvas or an animation from the library, add your words, logo and brand colours, and set how it moves with one click or with keyframes and easing. Then export Lottie, dotLottie, MP4 or GIF from the same project. You don't need to know animation.
Already have a Lottie? Open it in Mosso to change its colours and timing, then export it again.
Questions
What is a Lottie file?
A Lottie is an animation saved as data in a JSON file. Websites and apps play it with a small player, so it stays sharp at any size and is often much lighter than a video or GIF.
Are these tools really free?
Yes. The browser tools are free and do not need sign-up. If you open a logo animation in Mosso, you need a free account to export it.
Are my files uploaded?
No. Every tool here runs in your browser. Your files are read on your device and never sent anywhere.
Which tool should I use?
For your own artwork, try the logo animation maker or the PNG to SVG converter. To see what a file looks like and what is inside it, use the Lottie viewer. For email or chat, make a GIF. For social posts and video editors, make an MP4. For a smaller file on your site or app, use the dotLottie converter.
Can I make my own Lottie animations?
Yes, in Mosso. Start from a blank canvas or an animation from the library, add your words, logo and colours, animate it with one click or with keyframes and easing, then export Lottie, dotLottie, GIF or MP4. You can also open a Lottie you already have and change it there.