Search Tips: Download PDF Collections

Search Google like a pro with these handy tips on advanced search queries, utilities and research tools.

How to download multiple PDF documents on the same subject from the same site?

Here’s our search query:

Understanding the query:

  • (search only through
  • filetype:pdf (only display PDF documents)
  • inurl:astronomy (word astronomy must be mentioned in the URL)
  • &num=100 (Optional: this parameter enables 100 results per search result page)

Downloading PDFs

Now that your documents are listed in search results use the “Download Master” Chrome extension to download all PDF files to your computer. If you get the captcha verification pause the process and start again once you’ve filled out your verification characters.


Dan Petrovic, the managing director of DEJAN, is Australia’s best-known name in the field of search engine optimisation. Dan is a web author, innovator and a highly regarded search industry event speaker.

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