Several different png to pmg conversions are possible and all of them are related to computer graphics, namely export of PNG graphics (Portable Network Graphics) to .pmg files. Your best option for this would be some good graphics converter or professional graphics editor with both .pmg and .pmg file support.
Found 2 different conversion types using the same filename extensions.
Conversion png to pmg type 1:
Convert from Portable Network Graphic to Paint Magic image file.
Multiplatform software - convert png to pmg on any platform
A popular utility for viewing and converting graphic files
File type (from-> to)
Convert from png file format
Portable Network Graphic
|Yes, XnView MP supports png file conversion as a source file type.||No||No||No||No||No||No||No|
Paint Magic image file
|Yes, XnView MP supports pmg 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 png to pmg. 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.
Conversion png to pmg type 2:
Convert from Portable Network Graphic to Adobe Photoshop photomerge panoramic composition.
Microsoft Windows software - convert png to pmg on Windows
One of the best bitmap graphic editing program
Apple macOS / Mac OS X software - convert png to pmg on OS X
Mac version of popular digital image editor