How to Convert Multiple JPC Images to JXL?
1. Download and Install reaConverter
Download reaConverter and install it in seconds. The setup is straightforward — no complex configuration, no extra software required. You can also resize, crop, and adjust images during conversion.
2. Load your JPC files
Add JPC files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.
You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

3. Select JXL as output format
Select JXL from the output format list and set your destination folder. You can also adjust quality and compression settings.

4. Start JPC to JXL conversion
Click the Convert button to start. reaConverter will process all your files with the settings you selected.

When finished, your new .jxl files will be waiting in the destination folder.






