How to Convert Multiple XISF 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. reaConverter also includes editing tools: resize, crop, rotate, and more.
2. Load your XISF files
Start reaConverter and add your .xisf files. The software processes everything locally, so your files never leave your computer.
Use drag-and-drop, folder browser, or right-click conversion from Explorer.

3. Select JXL as output format
Select JXL from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

4. Start XISF to JXL conversion
Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your JXL output.








