Graphics formats and how to change them

Nonstandard format of images received from special-purpose hardware
Want of special-purpose software for some image formats
Converting images from ХХХ format to JPEG format
Storing and sharing images in outdated formats is unreasonable
Converting images to EPS format for using them in LATEX documents
Converting vector images to raster images. (Converting WMF to JPEG. Converting WMF to raster images.)
Converting fax images (FXM, FXR, FXS, FXD, SFF, G3, G4) to ordinary images
Viewing images of a very rare ХХХ format
Problem with viewing photos in RAW format