X3F (RAW) to VIFF Converter
Convert your x3f files to viff online & free
Sigma Camera RAW Picture File
Khoros Visualization image
How to convert X3F to VIFF
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to viff"
Choose viff or any other format you need as a result (more than 200 formats supported)
Download your viff
Let the file convert and you can download your viff file right afterwards