There seems to at least two different MIF to JPG conversion possible. Both basically take the source and export it as a plain JPG images.
Found 2 different conversion types using the same filename extensions.
Conversion mif to jpg type 1:
Convert from ImageMagick image file format to JPEG bitmap image format.
Multiplatform software - convert mif to jpg on any platform
A popular utility for viewing and converting graphic files
File type (from-> to)
Convert from mif file format
ImageMagick image file format
|Yes, XnView MP supports mif file conversion as a source file type.||No||No||No||No||No||No||No|
JPEG bitmap image format
|Yes, XnView MP supports jpg file conversion as a target file type.||No||No||No||No||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned mif to jpg. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Cross-platform batch image transcoder compatible with 500 picture image formats
Conversion mif to jpg type 2:
Convert from MapInfo Interchange Format to JPEG bitmap image format.
Microsoft Windows software - convert mif to jpg on Windows
A converter that is able to transform various GIS file formats