I am able to preview epub thumbnail on windows explorer via CBX Shell. However, MOBI and AZW files didn't have a thumbnail. How to solve the problem? Should I convert to epub files?
If you have a Windows machine, MobiHandler should work for you.
Works for ePub. Me and the developer created this
Works for Mobi (Same as 4665 posted but this is the current link)
I am trying to work with DK101 to have DarkThumbs support Mobi and Azw, but coding costs money and takes time so I am trying to round up some donations to have it done.