How to Convert Multiple FBM Files to HRU?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting FBM files in under two minutes.
2. Load your FBM files
Launch reaConverter and drop in your FBM files. The software queues everything for batch processing with consistent settings.
Add files by dragging them in, browsing folders, or using the right-click menu from Windows Explorer.

3. Select HRU as output format
Pick HRU as output format and choose the destination folder where you want to save new .hru files.

4. Start FBM to HRU conversion
Then simply press the Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your HRU files in the destination folder you selected.






