How to Convert Multiple HP1 Files to JXL?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting HP1 files in under two minutes.
2. Load your HP1 files
Launch reaConverter and load the HP1 files you want to convert. Add a few files or thousands, batch processing handles them all.
Drag-and-drop HP1s 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 HP1 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.







