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Add to SafariWhen comparing Adobe Digital Editions vs KDE Okular, the Slant community recommends KDE Okular for most people. In the question“What are the best desktop readers?” KDE Okular is ranked 3rd while Adobe Digital Editions is ranked 8th.
Specs
Question Ranking
Pros
Pro Well-designed library management
All books are automatically divided in categories such as "not read", "borrowed", "purchased", "recently read", and "recently added" and additional categories can be added manually. They can be sorted by various criteria including "title", "author", "publisher", "date of addition", and "number of pages". Great for managing large quantities of books.
Pro Can be used with a variety of screen readers
ADE supports JAWS, Window-eyes, NVDA and Voiceover.
Pro Built-in annotation tools
You can highlight and leave notes in the app.
Pro Free and open source
Pro Trim margins
Easily trim margins either automatically or manually for easier reading
Pro Featureful
Pro Table selection
Pro Tabbed view option
Pro Supports touch interaction
Cons
Con Full of bugs. No longer supported
Con No support for Linux
Doesn't have a Linux version.
Con Can't edit metadata
Lacks a built-in metadata editor.
Con No XFA Adobe Forms support
Cannot fill PDF Forms created with Adobe.
Con Requires many KDE libraries
Con No middle-mouse auto-scrolling
Instead of scrolling automatically when holding down the mouse wheel and dragging, it instead zooms in or out, in contrast with many other programs.
Con Poor HiDPI support
You may have to tinker with QT__SCALE_FACTOR environment variables to get the desired size and not blurry content (this is a bug; see https://bugs.kde.org/show_bug.cgi?id=362856 and https://bugs.archlinux.org/task/54688)
Con No search results overview
You have to navigate to next/previous hit one by one
Con No "fit to page" option under printing settings
You can only print the content as given so, when you receive a bigger or smaller image thant the default of the printer, you will have to edit it first on other editor.
Con Slow scroll
Its new ultra-slow-scroll for PgUp and PgDn makes it unuseable.
