How to Convert Multiple GRO4 Files to XPM?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting GRO4 files in under two minutes.
2. Load your GRO4 files
Open reaConverter and import your .gro4 files. No file limits, no slowdowns. Add as many as you need.
Drag files into the window, use the Add Files button, or select entire folders.

3. Select XPM as output format
Select XPM as target format and pick where to save results. You can keep default settings or fine-tune the output.

4. Start GRO4 to XPM conversion
Hit Convert to process your files. The log window shows progress, timing, and status for every file.

Conversion complete? Your XPM files are saved to the destination folder, ready to use.




