How to Convert Multiple DWFX Files to FITS?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting DWFX files in under two minutes.
2. Load your DWFX files
Launch reaConverter and load the DWFX files you want to convert. Add a few files or thousands, batch processing handles them all.
Drag files into the window, use the Add Files button, or select entire folders.

3. Select FITS as output format
Select FITS from the output format list and set your destination folder. You can also adjust quality and compression settings.

4. Start DWFX to FITS conversion
Hit Convert to process your files. The log window shows progress, timing, and status for every file.

Conversion complete? Your FITS files are saved to the destination folder, ready to use.
How DWFX and FITS differ in practice
DWFX describes geometry rather than pixels, so it has no inherent resolution. The conversion renders it at whatever size you choose, and that choice is final: enlarging the FITS afterwards will not recover the sharpness. Set the output dimensions or DPI before converting, not after.







