How to Convert Multiple TG4 Files to IGS?
1. Download and Install reaConverter
Download reaConverter and install it in seconds. The setup is straightforward — no complex configuration, no extra software required.
2. Load your TG4 files
Open reaConverter and add your TG4 files. You can load individual files, entire folders, or even nested subfolders.
Drop your TG4 files into the window or use File menu to browse and select folders.

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

4. Start TG4 to IGS conversion
Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

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






