gPDF is a freeware web browser plugin that lets you read web page based PDF links in Google Docs. This makes PDF doc access a lot faster than normal, which is a good thing. If you’re fed up with hanging around waiting for PDF files to load when you’re surfing, this is your tool. Works with Firefox, Chrome and Opera via Greasemonkey.
gPDF is a handy tool to view PDF files online. It scans webpages for PDF links and set them to open with Google Docs Viewer. You don’t need any desktop based PDF viewer (like : Adobe Reader) to open a PDF link. gPDF changes the destination URL for PDF link and set it to open with GDocs viewer!