Soon after Mozilla was done with the release of Firefox 4, it launched an
. While the ultimate aim of the project was, and still is, to make PDF.js an integral part of Firefox, the team working on the project has released the reader as a
PDF.js has a fairly simple user interface. All its features, save for one, can be accessed from the bar at the top. These include the ability to move between pages, zoom in/out, print, download, and open local PDFs. Page thumbnails, however, are not visible until you move the cursor over to the extreme left of the screen.
Being a “community-driven and -governed open-source project,” it is open to contributions from absolutely anyone. If you think you are that anyone, you can download the source code from GitHub.
Image Credit: Geek