How to Convert Multiple ORF Images to FITS?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting ORF files in under two minutes. reaConverter also includes editing tools: resize, crop, rotate, and more.
2. Load your ORF files
Load your ORF files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.
Add files by dragging them in, browsing folders, or using the right-click menu from Windows 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 ORF to FITS conversion
Then simply press the Convert button and your conversion will begin in no time!

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









