Where can I download PDF books for free?

PDF Books World

PDF Books World library is a high quality resource for free PDF books, which are digitized version of books attained the public domain status. Our mission is to transform the most popular works of legendary authors to modern reading room. We publish pdf books on many subjects for readers of all ages including Fiction, Non-Fiction, Academic and Children's writings. 

Book reading has transformed from Paper editions to electronic formats and contemporary reading is not just limited to Personal Computers but to various handheld devices like Tablets and Mobiles. Considering the demand for e-reading in cross-platform devices we have created Books with separate editions optimized for devices of different screen size like PCs,Tablets and Mobiles. Membership registration is required to download pdf books online from our library.  

Our Books Quality

Our Books are not just simple PDF files but professionally created PDF editions with features including legible Font sizes, ToC, Illustrations and Internal Reference Links.

Legible Font Sizes: Legible Font type & sizes are used for Paragraphs for strain-free reading.

Table Of Contents: With ToC in top of book, users can navigate easily between Chapters.

Illustrations: Many books in our library are illustrated editions and images are optimised for all screen sizes without overlapping screens.

Reference Links:  Many books are created with internal clickable reference links for quick reference to  Footnotes, Citations, Illustrations and Index pages.

Explore our Library:

We have designed the website with easy to navigate interface  and our responsive web design let you access the website with devices of any screen size including Laptops, Tablets and Mobiles. Top menu bar contains important links to Books, Genres and author pages to quickly explore the library. We have also included search option to quickly find the book of your choice.

Find Your Book To Read Now

Reading is a way to gain valuable knowledge and enjoy unbeatable entertainment but this habit can be expensive to maintain. All thanks to the best free PDF book download sites, book readers can get free access to several books online.

Technology has introduced a lot of things that make life easier, which includes the introduction of digital libraries. With digital libraries, you can read anywhere at any time on your mobile phones, laptops, Kindle e.t.c.

There are several free book download sites that provide books in different digital formats (PDF, EPUB, MOBI, HTML e.t.c) but in this article, we will be focusing on the free PDF book download sites.

In case you don’t know the meaning of PDF books, we have provided the meaning below.

What are PDF Books?

PDF Books are books saved in a digital format called PDF, so they can be easily shared and printed.

A PDF (Portable Document Format) is a versatile file format created by Adobe that gives people an easy, reliable way to present and exchange documents – regardless of the software, hardware, or operating systems being used by anyone who views the document.

30 Best Free PDF Book Download Sites

Here, we have compiled a list of the 30 best free PDF book download sites. Most of these free book download sites provide most of their books in Portable Document Format (PDF).

Below is a list of the 30 best free PDF book download sites:

  • Project Gutenberg
  • Library Genesis
  • Many Books
  • Internet Archive
  • Free-Ebooks.net
  • Bookboon.com
  • Z-Library
  • PDF Books World
  • Free Computer Books
  • Bookyards
  • PDF Drive
  • Obooko
  • PDF Search Engine
  • DigiLibraries
  • Snewd
  • Open Textbook Library 
  • Textbooksfree.org
  • Free Kids Books
  • OpenStax
  • Planet eBook
  • FreeBookCenter.net
  • Loyal Books
  • eBooks.com
  • Girlebooks
  • PDF Grab
  • Free Book Spot
  • Freeditorial
  • Booktree
  • EbooksGo
  • Ebooks Duck.

Apart from PDF books, these free book download sites also provide books online in other file formats: EPUB, MOBI, AZW, FB2, HTML e.t.c.

Also, some of these websites allow users to read online. So if you don’t want to download a particular book, you can easily read it online.

Another good thing about these free PDF book download sites is that you can easily download books without registration.

However, some of the websites may require registration but most of them don’t.

10 Best Places to Find the Best Free Books 

The websites listed below provide a variety of free books online, from textbooks to novels, magazines, academic articles e.t.c.

  • Project Gutenberg
  • Library Genesis
  • Internet Archive
  • ManyBooks
  • BookYards
  • PDF Drive
  • Obooko
  • Free-eBooks.net
  • DigiLibraries
  • PDF Books World.

1. Project Gutenberg


  • Registration is not needed
  • No special apps are needed – you can read books downloaded from this website with regular web browsers (Google Chrome, Safari, Firefox e.t.c)
  • Advanced search feature – you can search by author, title, subject, language, type, popularity e.t.c.
  • You can read books online without downloading

Project Gutenberg is a digital library with more than 60, 000 free eBooks, available in PDF and other formats.

It was founded in 1971 by American writer Michael S. Hart, Project Gutenberg is the oldest digital library.

Project Gutenberg provides ebooks in any category you want. You can either download books online or read them online.

Authors can also share their works with readers via self.gutenberg.org.

2. Library Genesis


  • You can download books without registration
  • Advanced search feature – you can search by title, authors, year, publishers, ISBN e.t.c
    Books are available in different languages.

Library Genesis, also known as LibGen is a provider of scientific articles, books, comics, images, audiobooks, and magazines.

This digital shadow library gives users free access to millions of eBooks in PDF, EPUB, MOBI, and many other formats. You can also upload your work if you have an account.

Library Genesis was created in 2008 by Russian scientists.

3. Internet Archive


  • You can read books online via openlibrary.org
  • Registration is not required
  • Books are available in different languages.


  • There is no advanced search button – users can only search by URL or keywords

Internet Archive is a non-profit library that provides free access to millions of free books, movies, software, music, images, websites e.t.c.

Archive.org provides books in different categories and formats. Some books can be freely read and downloaded. Others can be borrowed and read via Open Library.

4. ManyBooks


  • You can read books online
  • Books are available in more than 45 different languages
  • You can search by title, author, or keyword
  • A variety of formats e.g PDF, EPUB, MOBI, FB2, HTML e.t.c.


  • Registration is required to download books

ManyBooks was established in 2004 with the vision to provide an extensive library of books in digital format for free on the internet.

This website has more than 50,000 free ebooks in different categories: Fiction, Non-fiction, Science Fiction, Fantasy, Biographies & History e.t.c.

Also, self-publishing authors can upload their work on ManyBooks, provided they follow quality standards.

5. BookYards


  • You can download without registration
  • There is a “convert to Kobo” button that will explain how to convert PDF books into any other format
  • You can search for books.

Bookyards have been providing free PDF books for more than 12 years. It claims to be one of the world’s first online libraries to offer ebooks to be downloaded for free.

Bookyards provide more than 24,000 ebooks in more than 35 categories, which include: art, biography, business, education, entertainment, health, history, literature, religion & spirituality, science & technology, sports e.t.c.

Self-publishing authors can also upload their books on Bookyards.

6. PDF Drive


  • You can download without registration and there is no limit
  • No annoying ads
  • You can preview books
  • There is a convert button that allows users to easily convert from PDF to either EPUB or MOBI

PDF Drive is a free search engine that allows you to search, preview, and download millions of PDF files. This site has over 78,000,000 ebooks for you to download for free.

PDF Drive provides ebooks in different categories: academic & education, biography, children & youth, fiction & literature, lifestyle, politics/law, science, business, health & fitness, religion, technology e.t.c

7. Obooko


  • No pirated books
  • There is no download limit.


  • You will have to register to download books after downloading three books.

Established in 2010, Obooko is one of the best places to find the best free books online. It is a legally licensed website – this means there are no pirated books.

Obooko provides free books in different categories: business, arts, entertainment, religion and beliefs, politics, history, novels, poetry e.t.c.

8. Free-eBooks.net


  • You can read books online without downloading
  • There is a search feature (search by author or title.


  • You must register before you can download books.

Free-Ebooks.net provides users with free ebooks available in different categories: academic, fiction, non-fiction, magazines, classics, audiobooks e.t.c

Self-publishing authors can publish or promote their books on the website.

9. DigiLibraries


  • There is a search button. You can either search by title, author, or subject.
  • Registration is not required to download
  • A variety of formats e.g epub, pdf, mobi e.t.c.

DigiLibraries offers a digital source of eBooks in a range of categories in digital format.

This site aims to give quality, fast and required services for downloading and reading ebooks.

DigiLibraries offers ebooks in different categories: arts, engineering, business, cooking, education, family & relationships, health & fitness, religion, science, social science, literary collections, humor e.t.c

10. PDF Books World


  • You can read online
  • PDF books have legible font sizes
  • You can search by title, author, or subject.


  • Registration is required to download books.

PDF Books World is a high-quality resource for free PDF books, which are the digitized version of books that have attained public domain status.

This site publishes PDF books in different categories: fiction, novels, non-fiction, academic, juvenile fiction, juvenile non-fiction e.t.c.

15 Best Free Apps to Read PDF Books

Most of the books available online are in PDF or other digital formats. Some of these books may not open on your mobile phone if you didn’t install PDF readers.

Here, we have compiled a list of the best apps to read PDF books. These apps can also open other file formats like EPUB, MOBI, AZW e.t.c

  • Adobe Acrobat Reader
  • Foxit PDF Reader
  • PDF Viewer Pro
  • All PDF
  • MuPDF
  • Soda PDF
  • Moon+ Reader
  • Xodo PDF Reader
  • DocuSign
  • Librera
  • Nitro Reader
  • WPS Office
  • ReadEra
  • Google Play Books
  • CamScanner

Most of these apps are free to use, you don’t need to subscribe.

However, some of these apps may have subscription plans. You will need to subscribe if you want to use some features.

Frequently Asked Questions

Are free pdf books safe to download?

You should only download books from legitimate websites, because some ebooks may contain viruses that can harm your computer or phone. Free pdf books from legitimate websites are safe to download.

Can I publish my books on the free book download sites?

Some of the free book download sites allow self-publishing authors to upload their works. For example, ManyBooks

Why do free book download sites accept monetary donations?

Some free book download sites accept monetary donations to manage the website, pay their workers, and improve their services. This is a way for you to support your favorite free book download sites.

Is it illegal to download free PDF books?

It is illegal to download free PDF books from websites providing pirated books. You should only download from websites that are authorized and licensed.

We Also Recommend:

  • 200 Free Medical Books PDF for your studies
  • How to Get Free Textbooks PDF online
  • Top 50 Cheap College Textbook websites
  • 40 Bible Quiz Questions and Answers PDF.


With the help of the 30 best free PDF book download sites, books are now more accessible than ever. PDF books can be read on phones, tablets, laptops, Kindle e.t.c.

We have now come to the end of this article. From the 30 best free PDF book download sites, which of the sites do you like the most? Let us know in the Comment Section.

Where can I download every books for free?

Free downloadable Ebook Websites.
Free Ebooks.Net. This site has some free ebooks you can download or view on your computer. ... .
Project Gutenberg. Project Gutenberg provides access to over 30,000 free ebooks that you can either view on your computer or download to a device. ... .
Obooko. ... .
Manybooks.net. ... .

How do I download a PDF without paying?

Download a free PDF reader if your computer does not already have one. Right click the PDF, click the floppy disk button, or click File at the top of your screen. Then, select Save As or Save Page As. Open your PDF file reader and select File > Open to view the downloaded file.