Image format
What is a .jxl file?
JPEG XL, standardized as ISO/IEC 18181-1 and built as the successor to both JPEG and PNG. It recompresses existing JPEG files with no additional loss, adds HDR and deep color, and carries no licensing fees.
fileclay opens JPEG XL but doesn’t write it
When to use JPEG XL
- Best for
- Modern image archives and advanced web workflows.
- Advantages
- Strong compression and wide color support.
- Disadvantages
- Browser and app support is still uneven.
Convert JPEG XL files
Questions about JPEG XL
Which formats can I convert JXL files into?
fileclay can write 24 formats from a JXL file, including PNG, JPG, WebP, BMP, TIF and TIFF. Pick any of them as the output format when you drop the file in.