How to Convert Multiple ISM Files to GBR?
1. Download and Install reaConverter
reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.
2. Load your ISM files
Start reaConverter and load all the .ism files you intend to convert into .gbr. The software supports multiple ISM conversion and processes all files locally on your computer.
Select ISMs from a folder or by drag-and-dropping them directly into the reaConverter window.

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

4. Start ISM to GBR conversion
Then simply press Convert button and your conversion will begin in no time!

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