avidPDF is also a PDF search engine. Therefore, you can search and read any PDF document right from there. There’s no need to download the PDF file to your computer to view it. Just give the URL of the document and click View button.
vidPDF has a very simple interface. you can see the number of pages, and easily flip through pages. It offers only few options like zoom in, zoom out, tilt, and page next.
The best part about it is that it’s absolutely free and no registration or account sign up is required. Click here to view your PDF documents.