Top 13 PDF Search Engines to Find Free Ebooks in 2023 (2023)

Are you trying to find free eBooks online but ending up empty-handed? Here is a list of PDF search engines that are breaking new ground in today's world.

If you are a fan of books, you would like nothing more than the smell of books and a hot cup of coffee. However, digital advances have meant that eBooks have become increasingly popular over time, leading people to turn to sites like Goodreads and Amazon.Lighty Wattpad.

With innumerable books available on these books online, readers get a lot of fun. These books are easily accessible to read and enjoy with rich options.

In addition, readers can download eBooks (sometimes audiobooks andpodcasts) from websites to have them forever on your smartphones, tablets and even computers.

With that in mind, here are the top PDF search engines that can help you find the right book.


With more than 2.3 million modern e-books, theInternetarchivohas archived all fully downloadable texts and books for free. Readers can access an extensive collection of modern books in many formats at the Internet Archive. Also, anyone can contribute to the book list by adding their eBook to the archive.

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The file offers:

  • 790,000 software programs
  • 14 million audio recordings and live concerts
  • 625 websites
  • 4 million images
  • 7 million videos and messages
  • 38 million books and texts

Think of it as a library that allows book fans to enjoy digital versions of their favorite books.

Academic Google

What better way to get the best books than Google.Academic Googleis a search engine for someone trying to find articles, case law, or articles on a specific topic. Users can also add articles to read later, e.g. B. a well-informed research paper and articles they want to read.

In addition, users can use the advanced search option that allows them to search using all words, exact phrases, at least one word, skip specific words, and even the exact place where the keyword is placed in the article. The metric data cited publications such as Science, The Lancet, and Nature Communication.

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PDF unit

Find any PDF you want with PDF Drive, which comes with over 70 million eBooks (book storage).PDF unitIt offers various features like no download limits, no ads, and the ability to bookmark pages. Users can easily search for tutorials, books, authors, and manuals on the websites.

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It is divided into different sections such as: B. The best books of the week, Find your purpose and passion in life, Books for parents, Self-help books, Motivational books, etc. It covers all major areas such as Technology, Personal Growth, Health & Fitness, Biography, Lifestyle, Environment, Art, Most Popular, etc. so that users can enjoy them anywhere.

As the name implies,Free-eBooks.netoffers users a wide range of free eBooks. provides access to over 1,000 authors and multiple categories in fiction and nonfiction. However, users can only download five free eBooks after registering with the site. It provides access to books such as business marketing books, detective novels, and important authors such as Alina Udrea.


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In addition, provides free accessaudio books, packages, books, etc. in various fields including children's audiobooks, classics, fiction, nonfiction, textbooks, academics, and many more.


If you are a research scientist or want to find scientific publications, FreeFullPDF is your first step.GratisCompletoPDFoffers free scientific publications in various fields such as physics, health, life, social sciences and humanities and mathematics.

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This is comparable toGoogle searchhowever, it is limited to single domains, so graduates or postgraduates can get details right away.

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pdfFiller is an all-in-one PDF software that can eliminate all your headaches with features like e-signing, filling, editing, and sharing files on any device. Online PDF file allows users to access documents online for any purpose such as: B. insurance, real estate, tax, recruitment and more, allowing users to search PDF files and find documents related to IRS tax forms and other catalogs of forms.

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It's easy to use; Go to "My Documents", add new documents and open the "Browse Document" tab. Then enter the name or descriptionpdfRellenar, select the document and start filling out. It has features like style salary slip, style salary certificate, separate required fieldwork, separate required fieldwork and higher salary diploma.

pdf search engine

Tired of finding the PDF online on the default website with no concrete results? We've all been to yours, but the best is this.pdf search enginemade it more accessible. The PDF search engine offers a simplified version to find any book on science, business, engineering, medicine, art and politics online.

It allows users to legally search for all the PDF files they want to read online, using the best filters to organize and refine eBooks and other online materials. Includes options such as homework, lectures, and preparation resources to increase knowledge.


If you want to search any document online,Search-pdf-doccan help you get the right results. Find-pdf-doc offers a search of any format like PDF, SWF, TXT, PPT, DOC, AI, KML and PS.

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Users can refer to the provided links to download the supported files based on the keywords. offers a wide range of eBook categories such as games, architecture, art books, comics, business, software, security, science, e-learning, poetry, music, etc.

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Along with this,ebook3000.comoffers audiobooks in all fields for users to download and enjoy.

Many books

If you are passionate about e-books, ManyBooks is the perfect solution that makes more than 50,000 books available to you.Many booksthey cover different genres like myth, adventure, pirate stories, psychology, espionage, drama, criticism, cooking, etc. It is easy to access any book by registering on the site or reading online for free. Self-publishing authors can present their work to the market and gain recognition.


Search the entire web for the right PDF in just a few clicks using FileSearchBox. Users can browse and download the PDF without registering or logging in.FileSearchBoxcontains multiple search engine filters and uses Google's index to find the downloadable PDF. He is famous for searching for research papers, books, scientific facts, etc. The online tool also allows users to download PDF securely (does not enable editing or macros) to avoid malicious files.

BASIC search

Bielefeld Academic Search Engine searched more than 9,000 content providers to find more than 300 million documents and PDF files.BASEsearch is a web resource search engine that provides full text of 60% of the indexed records for free.

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Repositories include documents such as digital collections, institutions, and journals that offer content with multiple functions.

research gate

research gateYou have access to 135 million pages of publications in various fields such as computer science, biology, mathematics, engineering, chemistry, and many more. Users can easily collaborate with peers to advance their careers and get detailed dating statistics.

Choose the right PDF search engine

Choose any of the products above to get accurate search results of your favorite PDF file and enjoy reading.

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With the right tool, you can have a wide variety of learning (or entertainment) resources for the avid student, writer, and casual reader. Best of all, these sites contain almost all eBooks from primary to secondary level.

So enjoy your favorite book legitimately with a user-friendly interface.

If you want to share the downloaded files and find them too big, here are somepdf compression tools.


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