Amarjit

Instead of just putting a link how can i have a free pdf viewer in it which will allow the viewers to view the pdf in the website itself. Is there any specific code? Will it be compatible with all?

LsD

Embeddable Google Document Viewer
Google Docs offers an undocumented feature that lets you embed PDF files and PowerPoint presentations in a web page. The files don't have to be uploaded to Google Docs, but they need to be available online.

Here's the code I used to embed the PDF file:

<iframe src="http://docs.google.com/gview?url=http://infolab.stanford.edu/pub/papers/google.pdf&embedded=true" style="width:600px; height:500px;" frameborder="0"></iframe>

but you should replace the bold URL with your own address. As I mentioned, the document viewer works for PDF and PPT files.

Some other sites that offer similar features: Zoho Viewer, PdfMeNot.

Update (Sept. 25): The viewer is now available at https://docs.google.com/viewer. You can use it to embed PDF documents, PowerPoint presentations, and TIFF files.