How to Convert Multiple BRK Files to FITS?
1. Download and Install reaConverter
reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.
2. Load your BRK files
Start reaConverter and add your .brk 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 FITS as output format
Select FITS from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

4. Start BRK to FITS 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 FITS output.







