SumatraPDF is described as 'A free, open-source viewer for Windows, supports PDFs, eBooks, Comics, with a simple, fast, and portable design prioritized for ease of use' and is a leading PDF Reader in the news & books category. There are more than 100 alternatives to SumatraPDF for a variety of platforms, including Windows, Linux, Android, Mac and Android Tablet apps. The best SumatraPDF alternative is Foxit PDF Reader. It's not free, so if you're looking for a free alternative, you could try Foxit PDF Reader or Okular. Other great apps like SumatraPDF are KDAN PDF, MuPDF, KOReader and Librera Reader.
Document Viewer is a highly customizable document viewer for Android, fork of the last GPL version of EBookDroid .
It cant run on windows as SumatraPDF does so is not a viable alternative
WinDjView is a fast, compact and powerful DjVu viewer for Windows with tabbed interface, continuous scrolling and advanced printing options. It uses the free DjVuLibre library to decode DjVu documents. DjVu is a web-centric format and software platform for distributing documents...
Zathura is a highly customizable and functional document viewer. It provides a minimalistic and space saving interface as well as an easy usage that mainly focuses on keyboard interaction.
Minimal user interface, keyboard-driven and a delight to use. However, it requires some time to get used to.
It cant run on Windows as SumatraPDF does so is not a viable alternative
Some users think zathura is a great SumatraPDF alternative, some don't.
MComix is an user-friendly, customizable image viewer. It is specifically designed to handle comic books, but also serves as a generic viewer. It reads images in ZIP, RAR, 7Zip or tar archives as well as plain image files.
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
Tritium is a desktop word processor built for transactional lawyers. Draft, review, and compare legal documents faster with real-time clause annotations, minimal redlines, and AI integrations - free for personal use.
CDisplayEx is a light, efficient CBR Reader, and it is also the most popular comic book reader. It is able to read all comic book formats (.cbr file, .cbz, .pdf, etc..) and Manga. Everything is designed to give you the best comic reading experience, it load comic books...
Atril is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DJVU, DVI, XPS and Portable Document Format (PDF) files. When supported by the document, it also allows searching for text, copying text to the clipboard...
PDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.
It cant run on Windows as SumatraPDF does so is not a viable alternative
EPUBReader is a Firefox and Chrome addon which lets you read ePub-files just in the browser. You don't need to install additional software!
qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.
It cant run on Windows as SumatraPDF does so is not a viable alternative, However since SumatraPDF can run in Wine then SumatraPDF is a good Alternativeto Qpdfview
This alternative is disputed. qpdfview is a legitimate SumatraPDF alternative, but it might have issues that some users think are important.
With GoodReader on your iPhone, iPod Touch or iPad, you can read virtually anything, anywhere. Books, movies, maps, pictures; GoodReader puts it all in a single app, right in your pocket.
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Because its open source and light weight