Sumatra PDF Portable enables you to read and modify any PDF according to your demands. This tool is the lightweight Sumatra PDF packaged as a portable app, so you can view PDF files on the go. You can place it on your USB flash drive, iPod, portable hard drive or a CD and use it on any computer, without leaving any personal information behind.

Sumatra PDF is a slim, free, open-source PDF viewer for Windows. Sumatra has a minimalistic design. It's small and starts up very fast.

Sumatra perform the following functions:

open PDF files via menu

open PDF files via drag & drop

page up and ´p´ for going to previous page

page down and ´n´ for going to next page

´q´ to quit

set different zoom levels via menu