This free reader has all the basic but necessary features that a PDF reader should have. Also, it does not slow down your PC during opening a PDF file, as it takes fewer system resources than other similar apps. The size of the installer is less than 5 MB and therefore, it requires only a little space in computer memory. This tiny app is considered one of the smallest PDF readers for the computer. The Sumatra PDF is a very popular PDF reader software. The simplicity of the user interface is one of the priority features of this free PDF reader application. It is powerful, small, portable, and starts up very fast. Sumatra PDF reader is a free PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) viewer for Windows. It is an open-source PDF reader that can be installed and run on almost all Windows operating systems. Sumatra PDF is a very lightweight PDF Reader app for Windows 10, 8, 7, and Windows XP PC that allows you to read or view any PDF file on your PC.

To enable users to easily access all the tools required to read PDFs. This lightweight and fast PDF reader is built for maximum comfort and useful features, specifically targeting users who have poorly configured very slow computers that struggle to get started with Adobe Reader, the official PDF reader application, or those with little technical knowledge. Sumatra PDF for Windows is a free open-source PDF reader that is capable of opening many other ebooks, text, and comic books, and several ebook formats such as MOBI, ePub, DjVu, CHM, XPS, CBR, CBZ, etc.

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