How to Convert Multiple DOO Files to JXL?
1. Download and Install reaConverter
reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.
2. Load your DOO files
Launch reaConverter and load the DOO files you want to convert. Add a few files or thousands, batch processing handles them all.
Drag-and-drop DOOs directly into reaConverter or use the folder browser to load entire directories.

3. Select JXL as output format
Set JXL as output format and select where to save your converted files. Customize quality settings if needed.

4. Start DOO to JXL conversion
Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Your converted JXL files will appear in the destination folder as soon as processing completes.






