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Lottie & TGS Converter
Preview Lottie JSON, .lottie and Telegram .tgs stickers and render them to GIF, APNG, WebP, MP4 or WebM.
Free, no uploads, no sign-up. Runs 100% in your browser.
How Lottie & TGS Converter works
The animation is played with lottie-web (MIT) on a canvas, frame by frame at the size and frame rate you choose. TGS files are unzipped with fflate first, and .lottie archives have their images inlined.
Input: JSON, LOTTIE, TGS. Output: GIF, APNG, WEBP, MP4, WEBM.
How to use Lottie & TGS Converter
- Drop one or more images onto Lottie & TGS Converter.
- Tune the options. The before/after preview updates live.
- Process the batch.
- Download a single image, or everything as a ZIP.
Tips
- Most image tools accept many files at once.
- WebP and AVIF give much smaller files than JPG at the same visual quality.
- Set a default image quality in Settings. Tools that do not choose their own quality use it.
Lottie & TGS Converter FAQ
- Are my files uploaded?
- No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.
- Is it free? Are there limits or watermarks?
- Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.
- Does it work offline?
- Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.
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