The reviews and opinions below are posted by SnapFiles visitors. They do not necessarily reflect our opinion, and they are solely based upon the experience of individual users.
Pros: Built-in reader software is very good and can read most ebook formats. Built-in conversion software (to convert ebooks between different formats) also works very well if you use the default configurations; also has pre-configured settings for best display for various hardware ebook readers. Constantly updated and improved.
Cons: Downside of constant updates and improvements is a lot of instability, errors, bugs, etc. Help files are only available online and although they are clear for the simple, basic functions, they are simply hideous for everything else, especially when it comes to any changes to the default settings - if you want to make changes, you are in for long hours of internet research and frustration - and even then you probably won't be able to get things to work properly.
Some people like the ebook management feature, but I really dislike it and don't use it - partly because I cannot customize the organization and naming of my ebooks even remotely how I want it, partly because I have never been able to get some features to work consistently, or even at all - perhaps the sheer volume of ebooks I have is too much for this program. For example, I already have all my ebooks named exactly how I want them and although there is a setting to supposedly tell calibre not to change the ebook names when importing into the calibre library, I can almost never get this to work. Still, well worth getting for reader and conversion features.
Have tried almost all of the free image viewers listed in this category and keep coming back to this one because it hits the sweet spot between ease of use and features. I just wish it did banners and cursors so I could get rid of the separate programs I use for those items! Recommended.
Been using it for over a year now (2 years?) and it just keeps getting better. Light on resources - works equally well on my XP netbook and desktop. Tabbed interface for multiple documents - page rotation, display area and size and navigation are all easily adjusted - and STDU Viewer remembers display preferences and where you left off reading for each document. If this had 2-page reading layout with text reflow, it would be perfect - but then I don't know of any free reader that has that :). Very stable, FAST opening and scrolling of images and text, seems compatible with all DJVU and PDF versions. Adobe is compatible w/all PDF, but is a resource pig and slow - rest I tried had compatibility issues, struggled w/images, poor interface, resource hogs and/or slow (Foxit, PDF Xchange, Sumatra, Cute PDF, Cool PDF, Nitro PDF, Windjvu, several more obscure ones). I used to dread reading documents in pdf, but with STDU viewer it's a pleasure. Recommended.
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