How to Convert Multiple SJ1 Files to WEBP?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting SJ1 files in under two minutes.
2. Load your SJ1 files
Open reaConverter and add your SJ1 files. You can load individual files, entire folders, or even nested subfolders.
Drop your SJ1 files into the window or use File menu to browse and select folders.

3. Select WEBP as output format
Choose WEBP as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

4. Start SJ1 to WEBP conversion
Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

After conversion, find your WEBP files in the output folder. Click 'Show converted files' to open it directly.







