Some tactics require specific file types – “filetype:”

While it doesn’t come up too often, it’s nice to be able to find certain types of files.

The “filetype:” operator lets you specify any one of a number of different file formats:

You can combine this with a regular search, or with any of the search operators that we’ve looked at so far.

Find books from your favorite bloggers: One potential use for this search operator is to find any free ebooks or guides a blogger has released.

Ebooks are typically the highest quality content bloggers produce and they are also easier to download for later.

For example, if you love Ramit Sethi, you could search his blog like this:

site:iwillteachyoutoberich.com filetype:pdf

And, of course, you get the few dozen PDFs that Ramit has published over the years.