Preview PDF and image files fast, with STDU Explorer
STDU Explorer is a free (for personal use) program that will let you quickly preview documents in DjVu and PDF formats, or image files in psd, bmp, png, gif, jpeg, wmf formats.
STDU Explorer supports also some standard operations such as moving, copying, pasting, renamming, deleting, etc.
Features: Extended representation of files list, with adjustable thumbnails size. * Fast preview of any page of multipage documents. * Fast access to a tree of bookmarks in PDF or DjVu files.