What is a JXL file?
JXL (JPEG XL) is a modern format designed to replace JPG and PNG, with lossless recompression of existing JPGs. It was introduced in 2021 by Joint Photographic Experts Group.
What JXL is good at
- Smaller than JPG with better quality
- Lossless and lossy modes
- HDR, alpha and animation
Where JXL falls short
- Browser support is still limited
- Few editors read it
When to use JXL
- Future-proof photo archives
- High-quality master images
- Experimenting with next-generation web images
Where JXL files open
JXL files open in Safari, some Chromium builds with flags, GIMP, Affinity and Krita.
JXL compared with PNG
JXL or PNG? JXL is best for future-proof photo archives. PNG is best for screenshots and UI graphics. Convert JXL to PNG or convert PNG to JXL.
Frequently asked questions
What is a JXL file?
JXL (JPEG XL) is a modern format designed to replace JPG and PNG, with lossless recompression of existing JPGs. It was introduced in 2021 by Joint Photographic Experts Group.
What are the advantages of JXL?
Smaller than jpg with better quality; lossless and lossy modes; hdr, alpha and animation.
What are the drawbacks of JXL?
Browser support is still limited; few editors read it.
What programs open JXL files?
JXL files open in Safari, some Chromium builds with flags, GIMP, Affinity and Krita.
How do I convert a JXL file?
Choose the JXL converter you need from the list on this page, drop in your file and press Convert. You get your new file in seconds, free and without sign-up.