7 PDF Search Engines To Search And Download Free PDF Books

PDF search engines

PDF and ebook search is one of the important searches which we do to find books or research paper related to a topic. Most of us use Google or other search engines for this book. Advanced users use Google filetype query to make the search even more, better to filter results only to PDF.  Still, it takes a longer time than finding just content.

To make the PDF search faster we can use some PDF search engines which show only PDF links for your search term. In this post, I am adding 11 best PDF search websites that allow users to search PDF files only.

Best PDF Search Engines

These are a few well-known PDF search engines. You can try these to find an ebook on any topic you wish.

1. Pdf search engine

The PDF search engine is a popular PDF search engine for finding ebooks. It allows you to find free PDF books and files on the internet.  You can download them to your computer for further reading. Not just PDF file, you can also search CHM, Word, RTF and TXT files. This is basically a Google custom search engine that uses the File type operator. This website claims to offer search across 512,727,964 Free PDF Books and Files.

2. Find-pdf-doc

Find-pdf-doc is another pdf search engine which you can use to find ebooks or PDF files. Along with PDF search, it also offers search for DOC, PPT, XML, RTF, AI, DWP, MP#, Video, software, and game searches. So, this website is also helpful for finding a lot of files.

3. Findpdf

Findpdf is another popular PDF search engine. You can search, store and share PDF files for free. It claims to offer search across 250 million PDF articles, tutorials, and books. So, you can search for ebooks, novels and more.

4. soPDF

SoPDF is also a good website where you can search for PDF files. This website claims to offer more than 43 million free PDF files. So, you are most likely to get what you are looking for.

5. Freefullpdf

Freefullpdf is a nice website where you can search over 80 million scientific documents. You can ebooks related to life sciences, programming, health sciences, maths and more topics depending on what you are looking for. This website ia slot a Google custom search. So, you can use Google search operators to effectively find the ebooks you want.

6. Docjax

Docjax is another website where you can search for PDF files and other document types. You can search for over 320,577 documents from 3,296 websites. So, it is also a good place to search for ebooks online.

7. FileSearchBox

FileSearchBox is also a search engine to search for PDF files, research papers, and ebooks. This website also uses Google custom search engine to look for PDF files located on different websites.

8. Ebook3000

Ebook3000 is also a good website to find eBooks. You can search for Ebooks using the book’s title or ISBN number. It also shows recently added eBooks to check daily what is new in their catalog. You can also look for eBooks using categories link. There are more than 34 book categories. It also shows books cover and other details before you go and download one.

There are many other less popular search engines also available which allows users to search and download PDF files. If you know any other good PDF search engine that should be the part of this list, you can share the name with us. There are many PDF Search Engines that stop working after some months. If any of these has stopped working, notify us and I remove it as soon as possible.

If you have anything to ask, you can comment below.


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Deepanker Verma is the founder of Techlomedia. He is a tech blogger, developer and gadget freak.

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