STDU Explorer is a piece of program that offers you the opportunity to work with image files (support psd, bmp, png, gif, jpeg, wmf formats) and e-books in DjVu and PDF formats. This software help you quickly view and find books or image files.
This features make STDU Explorer one of the best program for work with images and documents.
Very important: STDU Explorer free for non-commercial uses.

The license of this software is Freeware, you can free download and free use this image viewer software.