With the advent of web technologies and high penetration of internet now it is easier to obtain information easily. But with the addition of huge amount files- a great number of them are junk files- it is not easy to find the right information quickly. So we need to use some customized engines to find some specific files. It is well known that there are millions of PDF files available on the internet on various topics. More over most authors and publisheres used the PDF format to publish the book through internet. So there must be a good tool is needed to find the right information. Here is a list of PDF and ebook search engines, which helps you to find them easily.








The first one I am going to introduce is the pdfgeni, it is a pdf search engine. You can access it from

PDF Database

Free Pdf Search Engine. All Most Popular PDF&DOC File.



                 Pdf Searcher is an easy ti use free ebook search engine. Search and download ebooks and pdf’s for free.  Just enter the search term on the searh box and hit the search button, that’s all.




PDf –search-engine is another easy to use pdf search engine, you can search pdf files by simply enter the keyword on the search box and hit the search button. You can access it from  www.pdf-search-engine.com

Project Gutenberg

Project Gutenberg (aka PG) has the largest collection of public domain books. These are the books that out of copyright and available for anyone to use for any purpose.Project Gutenberg offers over 33000 free ebooks to download. You can check the top 100 books. You can also download the audio books.


Search Ebooks

Search ebboks helps you to find ebooks easily, enter the keyword on search box and search, it will shows some related ebooks, you can download ebooks that you need.


 Ebook Engine

Search for free ebooks all in one place.Ebook-engine was established to make finding an free ebook on the internet a lot easier by providing visitors with the best quality free ebook sites and pages on the web in one small search engine making finding free ebooks alot less stresful and 100% more effective for everyone including the websites that provide a great service can get the visiors they deserve.


eLibrary – Open Ebooks Directory book content

This directory includes most of the ebooks (electronic online books) sold on the internet. Browse the collection. Find an ebook that interests you and read reviews by past readers.Clicking “visit” will take you to the ebooks seller’s (or ebook author’s) website where you can buy e-books online or ask questions about the e-book contents.

Free Tech Ebooks

You can download tech books, covering everything from computer science, engineering and mathematics to programming and web development.

     Free computer Books

This site consists books on computer languages, database designing, programming etc. You can go to www.freecomputerbooks.com

     Free Tech Books

freetechbooks       This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet.

You can visit the site by clicking www.freetechbooks.com


Online Computer Books

                     OnlineComputerBooks.com contains details about free computer books, free ebooks, free programming books, free online books and sample chapters related to Information and Communication Technology, Computer Science, Internet, Engineering, Business, Marketing, Maths, Electronics, Physics and Science which are provided by publishers or authors on their websites

legally and free of charge

    . You can reach there using



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  1. You should also try out http://findthatpdf.com it has over 50 million pdfs and allows the contents of the files to be searchable.

    1. Thanks Craig Stadler, Findthatpdf is also a new PDF searchengine (I think this new one is created only on 2012-06-15). But http://www.findpdf.net, http://www.pdfsearchengine.org, http://www.findpdfdoc.com and http://www.pdfsearchengine.info are some of the popular one.

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