MuPDF

MuPDF: An intuitive application that lets you view PDF files at maximum quality

Those searching for a reliable application that allows them to view PDF files without Acrobat Reader can rely on MuPDF.

MuPDF is a small, yet friendly tool that lets you view PDF files at high-quality and since it is also portable, installation is not a requirement.

As soon as you launch the program, a dialog will be displayed, which you can use to navigate to the location of the PDF file you want to view and open it into the app’s functional interface.

Navigation can be performed using keyboard shortcuts, specifically left and right arrows keys, dot, comma, PgUp and PgDn. Pressing F1 or ‘?’ opens MuPDF’s search function, and there are other actions you can perform inside an open PDF files like zooming in and out, enabling full screen mode, rotating pages and even applying greyscale or negative effects.