OBJ File Extension Explained

They are used for static pictures in vector graphics.

You need to check if it’s not damaged first, and then you have to install any program that supports OBJ formats, such as Adobe Photoshop, AutoCAD, MeshLab and so on.

It’s very simple in use, has no maximum size (because it's a vector extension) and keeps colors extremely close to the original ones after rendering.

Yes, there are a lot of CAD software that support OBJ format, such as SolidWorks, Blender, Cheetah3D.

Yes, Blender is on the list of programs that support OBJ files.

They have different features, and they both are great in their own way. For example, STL is supported by all programs, but the OBJ file doesn’t fail the quality of the image while rendering.