
In addition to these popular formats, the program can also open a whole host of file types, like, DjVu, XPS, JBIG2, FB2, TXT, e-books (ePub and Mobi), comic book archives (CBR and CBZ), TCR, PalmDoc (PDB), AZW and DCX.

Science and Technical Documentation Utility (STDU) Viewer is a document and image viewer that comes as a tiny 2.5MB download and, supports a wide variety of file formats, ranging from PDF to TIFF and JPEG to GIF.

It starts up almost instantaneously, and renders even complex documents in the blink of an eyelid.įoxit Reader is another top-tier alternative to the Adobe Reader, and comes with many of the features that Sumatra PDF lacks. The best thing about the program is how fast it is compared to some of the other similar programs in the market. What’s truly remarkable is that while Adobe Reader is a massive 105MB download, Sumatra PDF weighs in at just over 4MB. The program was first released back in 2006, and is hosted on Github, like many of its open source compatriots.

Sumatra is a free and open source PDF reader that has a simple, intuitive user-interface, and is light on your computer’s resources. You can click on the links to quickly move to the apps you find interesting.

Below are the quick links to all the apps included in this list. In this article, we have mentioned 10 apps that you can use to replace Adobe Reader on Windows 10.
