Turn animated JPEG XL files into MP4 videos with full colour and the real frame timing - small, sharp and playable everywhere. For chats that only take GIFs, use JXL to GIF.
Need the single frames? Use the JXL Frame Extractor.
Almost nothing plays animated JPEG XL yet.
An MP4 plays on every phone, computer and social network, with millions of colours.
It is usually much smaller than the same animation as a GIF.
| MP4 | GIF | |
|---|---|---|
| Colours | Millions | 256 |
| File size | Small | Large |
| Transparency | No | Yes |
| Autoplays in chats | Mostly | Always |
Need transparency? JXL to GIF or animated WebP keep it.
Drop the animated JXL into the box and press Make my MP4.
Yes - each frame lasts as long as in the JPEG XL.
MP4 has none, so transparent areas get a background colour. JXL to GIF keeps it.
Usually not - the video is made in your browser. Browsers without a video encoder send the frames to our server, which deletes them after download.
Yes - H.264 MP4 plays on every phone and social network.
They become a short still video. For a picture, use JXL to PNG.