How to Convert Multiple FFF Images to APNG?
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. You can also resize, crop, and adjust images during conversion.
2. Load your FFF files
Launch reaConverter and load the FFF 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 APNG as output format
Select APNG from the output format list and set your destination folder. You can also adjust quality and compression settings.

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

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








