.jxl JPEG XL image
Images
| MIME type | image/jxl |
|---|---|
| Description | JPEG XL image |
| Category | Images |
| Signature (magic bytes) | 00 00 00 0C 4A 58 4C 20 0D 0A 87 0A (....JXL ....)FF 0A (..) |
Frequently asked questions
What is a .jxl file?
A .jxl file is a “JPEG XL image” (MIME type image/jxl).
How do I open a .jxl file?
With any image viewer that supports the format – the Photos app on Windows, Preview on macOS, Eye of GNOME or GIMP on Linux. For unusual formats a converter such as ImageMagick helps.
How can you tell a genuine .jxl file?
By the bytes at the start of the file, the signature (magic bytes): 00 00 00 0C 4A 58 4C 20 0D 0A 87 0A (....JXL ....) and FF 0A (..). On Linux and macOS, file --mime-type example.jxl checks the real type regardless of the extension.
Which MIME type belongs to .jxl?
The MIME type is image/jxl. In the Apache web server: AddType image/jxl .jxl; in nginx: types { image/jxl jxl; }.