10 PDF Search Engine Sites to Get Free PDF eBooks

Search Engine

We utilise search engines on a daily basis to find information on any subject. We get everything on these search engine sites for our searches, so it’s a part of our lives. However, when looking for a specific sort of document, such as PDFs, we recommend using PDF search engine sites.

PDF search engines are built specifically for finding PDFs and eBooks. Although you can search for these papers using Google or other standard search engines, the results will be muddled and you will not get exactly what you are looking for. PDF search engines, in contrast to other search engines, deliver actual search results for the searched topic, which is why they are preferred.

PDF search engines serve as an online repository for PDF materials such as journals, scientific articles, tutorials, manuals, and eBooks. These are free, and you can find them no matter where you are or what time it is. It provides you with the most relevant results for your search terms. These PDF search engines can help you expand your knowledge by giving you access to information on a variety of topics. It will assist you in preparation for any exam or test, completing tasks, conducting research, and so on.

If you are unfamiliar with PDF search engines and are looking for such sites, you have come to the proper place. We will review the finest PDF search engine sites in this article, which will provide you with excellent results for your searches and allow you to locate PDFs and eBooks.

Best PDF Search Engine Sites to Get Free PDF eBooks

1. Free Full PDF

Search Engine

The finest PDF search engine site is Free Full PDF, which includes every information in PDF format. Free scientific papers, journals, posters, and other materials can be found here. Health science, life science, physical science, mathematics, social science, and humanities are just some of the topics you can look into. It provides quick and precise search results. It makes use of Google’s proprietary search engine to find specific results from several websites. You can sort the results by kind, such as clinical trial, thesis, patent, review, and so on.

Features

  • Google custom search engine tool is utilised.
  • Contains PDF format information
  • Sort results according to many criteria, such as thesis, copyright, and clinical
  • Best for locating free scientific publications

2. Find pdf Doc

Search Engine

Find Pdf doc is an additional top PDF search engine website that provides access to a variety of PDF eBooks, books, papers, contracts, and spreadsheets. You can perform keyword searches for many topics, like banking, school, commerce, and software guide. The search engine provides selections for PDF, documents, software, videos, and games. It offers a UI that is user-friendly and simple to use. The site instantly locates search results links. It allows you to select file kinds such as PS, RTF, PPT, XLS, and DWF, among others.

Features

  • Search DEF, search DOC, search PPT, and search software

3. PDF Downloads

Search Engine

PDF Downloads is among the quickest PDF search engine websites. You may search and download thousands of PDFs on your computer and mobile device. This is the finest website for finding eBooks, PDFs, user manuals, and tutorials that are not easily available via alternative search engines. This website focuses mostly on assisting users in locating relevant PDF documents for their study projects. It features an attractive UI and is simple to use.

Features

  • Convert several file types to PDF format
  • The free version has various converting options.
  • Scan files to pdf format
  • Create editable files

4. Free eBooks

Search Engine

For people who enjoy reading, Free eBooks is another excellent PDF search engine. You can look for eBooks in a variety of categories, including classics, fiction, non-fiction, academic, textbooks, and more. You can also look for audiobooks in a variety of genres, such as fairy tales, religion, humour, mystery, adventure, and crime.

This PDF search engine site is really convenient to use. You can either use the search box or the categories to find an eBook. To download eBooks, you must first establish a free account on this website. However, there is a limitation with the free site: you can only download five books per month, and you must purchase a subscription to access more.

Features

  • OAI interface, HTTP interface
  • Download five novels in PDF format for free.
  • You can also look for audiobooks online.
  • TXT, PDF, and more file types are supported.

5. eBook Lobby

Search Engine

eBook Lobby is a good location to get free eBooks in a variety of categories, such as business, entertainment, biographies, culinary, art and photography, and so on. Although many users perceive the eBook Lobby’s UI to be antiquated, it is not difficult to use. In fact, you may quickly access all of the features. On the search engine’s home page, it lists all of the categories. You may also see how many books are available in the category you looked for. It makes advantage of a Google custom search engine capability to make it easier to find PDFs.

Features

  • Look through the many categories.
  • Uses of a Simple User Interface Google’s specialised search engine
  • Free eBooks to download

6. Science.Gov

Search Engine

Another PDF search engine site is Science.gov, which has a collection of 60, 2200 websites, and 200 million pages of authoritative federal science material. Citations, full-text articles, multimedia, and scientific data supporting government supported research are all available in a variety of formats. This portal allows you to access research and development findings as well as scientific and technical information from 13 government agencies’ scientific entities. The site contains information on a variety of topics, including technology, education, and training possibilities in the domains of science, engineering, and mathematics.

Features

  • With one query, you can access over 38 databases and 200 million pages of science knowledge.
  • For emailing results to friends, use the mark and send option.
  • Data on the user’s real-time search has been expanded.

7. Base

Search Engine

The foundation is a comprehensive PDF search engine that aids in the discovery of academic records. It has a database of more than 240 million documents written by over 8000 authors. It indexes data from journals, digital collections, institutional repositories, and other academic websites, among other categories. The disadvantage is that you can only access 60% of the indexed material for free, and the remainder requires membership.

Features

  • Look for academic documents.
  • It is divided into several categories.
  • To get full access, become a member.
  • It has around 240 million documents in its database.

8. Google Scholars

Search Engine

If you’re one of those people who is constantly looking for academic or research papers, Google Scholars is the ideal PDF search engine site for you. From a single location, you may search across multiple disciplines and sources. It instantly displays content that is relevant to your research topic. You can look for dissertations, online accomplishments, professional societies, and a variety of other things. It allows you to not only search for academic papers for free, but also to download them in PDF format.

Apart from downloading the PDF, it also displays information about the file, such as the publishing date, authors’ names, and so on.

Features

  • You may look for information about authors, publications, and citations.
  • It allows you to set up a public author profile.
  • All scholarly literature can be found by conducting a search.
  • You may look up who has cited your work.

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