A file viewer is useless if you can't look around. You need a script to orbit the camera around the loaded model.
Standard file explorers cannot open these. You cannot drag a .assets file into Photoshop or Blender. This is where dedicated file viewers step in. unity3d file viewer
A good Unity3D file viewer should provide the following features: A file viewer is useless if you can't look around
Graphic programmers looking to see exactly how Unity is drawing files to the screen. check file sizes
Best for: Automation, batch processing, developers.
: You can view the underlying scene hierarchy, check file sizes, and verify asset naming conventions. Platform : Available primarily for Windows. 3. Unity Asset Bundle Browser (Official Editor Extension)