Free Online X3F to SIX Converter
X3F
to
SIX
X3F
Sigma Camera RAW Picture File
RAW photo format designed for Sigma cameras. It uses Foveon technology that extends the sensor's range of sensitivity, allowing you to record the maximum amount of information with each shot. It allows you to make subtle adjustments to the white balance, color, exposure, and other settings while preserving all of the details in the photo.
SIX
DEC SIXEL Graphics Format
SIX is an alternative extension of the SIXEL bitmap graphics format. It was developed for terminals and printers by Digital Equipment Corporation (DEC). SIX actually means six pixels of which an image stored in the format consists. If you have a SIX file you want to view but you do not have an access to a DEC terminal, you need to convert it to a more popular format.
How To Convert X3F to SIX

Step 1: Upload Files
Click the upload button or drag and drop your X3F files into the upload area.

Step 2: Convert File
Click "Convert" and wait for conversion done

Step 3: Download
Download the converted SIX file