PDF.js is a Portable Document Format (PDF) viewer that is built with HTML5. PDF.js is community-driven and supported by Mozilla Labs. Our goal is to create a general-purpose, web standards-based platform for parsing and rendering PDFs. This extension provides PDF.js as the default PDF viewer in Chrome. PDF won't display. I tried to open it on my Mac, iPad and iPhone. Still, I received the same message. I tried to download the PDF document on my Mac and open it with Preview, still no luck. However I was able to view the PDF document. You may experience this problem too. Did you try to open a PDF document in Safari or PDF preview in Mail? Internet Explorer 11 won't display embedded PDF's I'm sure this problem has been brought up in previous posts, but I have been struggling with this problem for weeks now. Currently in our environment we are using Windows 7 32-bit with Internet Explorer 11, along with our PDF reader - Adobe Acrobat 11.0.09. My Google Chrome Won't Open on Windows 10, How to Repair. You may have suffered from such problem all of a sudden: your Google Chrome won't open on Windows 10 after you double-click on its icon. This is a very frustrating thing. Keep your < iframe> but do not display a PDF inside it, it'll be filled with an HTML page that consists of an