It may be possible that MikuMikuDance animation software can export its own projects (.pmm) to a simple picture (such as .jpg) for some kind of previewing purposes. However, the program works mainly with 3D formats, not normal pictures.
Convert MikuMikuDance PolygonMovieMaker file to JPEG bitmap image format.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert pmm to jpg on Windows
MikuMikuDance is free animation software used to create 3D animation movies. Popular in Japan.
Convert from pmm file
to jpg file
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.