How to Convert Multiple HDRI Images to PCT?
1. Download and Install reaConverter
reaConverter is a standalone Windows app — download, install, and start converting HDRI files in under two minutes. reaConverter also includes editing tools: resize, crop, rotate, and more.
2. Load your HDRI files
Open reaConverter and import your .hdri files. No file limits, no slowdowns. Add as many as you need.
Drag files into the window, use the Add Files button, or select entire folders.

3. Select PCT as output format
Select PCT as target format and pick where to save results. You can keep default settings or fine-tune the output.

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

Conversion complete? Your PCT files are saved to the destination folder, ready to use.




