JXL
Let your JPEG XL files move.
View JPEG XL images and animations on Mac, iPhone, and iPad. Inspect frames, check playback timing, and export a still without copying your existing files into another library.
The animation is in there
JXL plays animated JPEG XL files on macOS and iOS. Pause playback, inspect frame-by-frame details, and compare the target frame rate with the actual playback rate.
Inspect, compare, export
Export a still frame or compare with GIF, WebP, and APNG. An in-app generator lets you create sample images to explore the format.
Your files stay yours
Choose a folder in Finder or Files and scan it recursively for JPEG XL files. Existing images are accessed temporarily in their original locations, without creating an app-specific copy. Only images made with the generator are stored in the app.
Part of the picture
JXL gives files created with FileFlip a dedicated viewer. LookQuick brings animated JPEG XL previews to Quick Look on macOS.
Free on macOS and iOS
No in-app purchases.
Every app, one click away
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Free. No in-app purchases.
The app is currently free, with no in-app purchases. If it saved you an afternoon, the tip jar is right there. If it annoyed you, the inbox is too.