Quote Originally Posted by Linuxhippy View Post
Poppler is a quite capable pdf renderer/interpreter which is open-source too and is *fast* and *mature*.
The only valid argument in favour of pdf.js is security.
They want it in javascript so they can use it on any device such as firefox os, set top boxes etc which only support html5 and javascript. Writing in javascript is the best way, it just needs improving, have patience.