How to Convert Multiple NC1 Files to IFF?
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 NC1 files
Start reaConverter and add your .nc1 files. The software processes everything locally, so your files never leave your computer.
Use drag-and-drop, folder browser, or right-click conversion from Explorer.

3. Select IFF as output format
Select IFF from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

4. Start NC1 to IFF conversion
Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your IFF output.










