How to Convert Multiple GPB Files to HRU?
1. Download and Install reaConverter
First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.
2. Load your GPB files
Load your GPB files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.
Select GPBs from a folder or drag-and-drop them directly into the reaConverter window.

3. Select HRU as output format
Choose HRU for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

4. Start GPB to HRU conversion
Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

After processing, find all your new .hru files in the output location. The log shows details for each conversion.






