How to Convert Multiple RIS Files to AVIF?
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.
2. Load your RIS files
Launch reaConverter and load the RIS files you want to convert. Add a few files or thousands, batch processing handles them all.
Drag-and-drop RISs directly into reaConverter or use the folder browser to load entire directories.

3. Select AVIF as output format
Set AVIF as output format and select where to save your converted files. Customize quality settings if needed.

4. Start RIS to AVIF conversion
Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Your converted AVIF files will appear in the destination folder as soon as processing completes.








