Turn JPEG XL images into JPGs that every app, phone and upload form accepts - decoded right in your browser. Need transparency kept? Use JXL to PNG.
Have JPGs to turn into JPEG XL? JPG to JXL can do it losslessly.
JPEG XL is efficient, but most apps, phones and websites still cannot open it.
A JPG opens everywhere - email, social media, Windows Photos, Office, printers.
Converting takes a second and keeps the look.
| JPEG XL | JPG | |
|---|---|---|
| Typical size | Small | About 20-60% bigger |
| Transparency | Yes | No |
| HDR / wide colour | Yes | 8-bit |
| Opens in | Safari 17+, Photoshop, GIMP | Everything |
| Best for | Archives, new workflows | Sharing |
Going the other way? PNG to JXL and JPG to JXL. Test files are in the JXL sample files.
Drop your JXL files into the box and press Convert to JPG.
Yes. Chrome cannot show JPEG XL itself, so the page loads its own decoder (libjxl in WebAssembly).
No. The JXL is decoded and the JPG written on your device.
JPG has no transparency, so those areas get the background colour you pick. Use JXL to PNG to keep it.
No - the JPG is a normal 8-bit image, as the decoder outputs it.
Up to 50 per batch, as one ZIP.