A 2D view of a 3D object (*.obj) can be typically saved as a common image (like PNG or JPEG) for previewing purposes. This can be usually done with some kind of view export function in a 3D modeling software like 3D Studio Max, 3D Coat or similar.
Convert 3D object graphics to Portable Network Graphic.
We found 5 software records in the database related to .obj to .png file format conversion.
Microsoft Windows software - convert obj to png on Windows
A 3D modeling tool
Convert from obj file format
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 obj to png. 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.
A widely-used 3D animation application from Autodesk
A graphics design tool for making 3D landscaping and animations
A 3D CAD translation softwate
Apple macOS / Mac OS X software - convert obj to png on OS X
3D modeling and animation package for Mac.