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7 Best Websites to Download Free PDF Books: Where to Download 2025

  • By Charlotte
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  • Updated on June 19, 2025
Introduction:
When your finances are too tight to purchase a printed book, you can get a PDF of the book for free. It would be better if there were a list of sites so you could select several to switch to. Using them as a resource makes your reading easier, without carrying heavy papers. You can view the PDF for free on nearly any device, including phones and computers. Check out where or which 7 best websites to download free PDF books from this post.
summary

1. Project Gutenberg

Project Gutenberg is a remarkable name when you question where to download free PDF books. This website has over 75k ebooks for free reading and downloading. It doesn’t ask for registration or software download. The user interface is clean and ad-free.

Project Gutenberg best websites to download free pdf books

Pros:

  • Available in multiple downloadable formats, including PDF, EPUB, Kindle, and HTML.
  • Among the few best websites to download free PDF books that are public domain and offer legal stuff.

Cons:

  • Mainly older works lacking the latest releases or bestsellers. 

2. Anna's Archive

Anna's Archive is a fantastic website where you can download free PDF books. It aggregates a vast collection of books from various sources, such as Z-library and Libgen. It’s designed with multiple mirrors to accommodate users’ different download targets. You need a book reader app to open a downloaded PDF.

Anna's Archive best websites to download free pdf books

Pros:

  • It allows you to choose the book language and file type from many options.
  • One of the best websites to download free PDF books offers a massive library of books from popular platforms.

Cons:

  • The website relies on external sites, which may cause issues.

3. Internet Archive

If you're wondering where to find free PDF books to download more safely, the Internet Archive is your best bet. This website is another public domain that hosts books with copyright expired. It is built by a non-profit organization from the U.S. and doesn't contain any advertising. It allows you to filter books by publication year, language, and subject.

Internet Archive best websites to download free pdf books

Pros:

  • One of the best websites to download free PDF books, as well as movies, audio, software, and more.
  • Relatively more reliable than many other free eBook download sites in terms of access security.

Cons:

  • Lots of books are not available for download but can be borrowed, particularly modern books.

4. Manybooks

Those looking for free PDF book download sites can give Manybooks a shot. This website also provides its book listings under the public domain or with the author's permission. It supports EPUB, PDF, and MOBI formats for online reading or downloading, as well as ebook selling. Users can leave reviews or browse others’ and select filtering ratings from 1 to 5 stars.

Manybooks best websites to download free pdf books

Pros:

  • The best website to download free PDF books has Android and iOS mobile apps. 
  • Books can be sorted in 40+ languages, dozens of genres, by authors, popularity, and other considerations.

Cons:

  • Only thousands of free books, much less than competitors.

5. PDF Books World

Visit PDF Books World if you're stuck on where to download free PDF books. The online website organizes and classifies books for readers of all ages. The categories include fiction, nonfiction, academic, and others. What's good is that PDF Books World is listed on the PDF textbook download websites. It incorporates reference Links, citations, and a table of contents in books for efficient navigation.

PDF Books World best websites to download free pdf books

Pros:

  • The best website to download books in PDF for free supplies professional PDF editions with legible Font sizes for comfortable reading.
  • Daily update for adding books. 

Cons:

  • Users must sign up and log in to the website to download books.

6. OceanofPDF

OceanofPDF is another answer to where to get free PDF books. Like other best websites to download free books in PDF, it allows you to search for books by a specified language, genre, author, or date. What’s special is the combined search for more than one ticked genre. The books are created in PDF or EPUB and can be downloaded without the need for an account.

OceanofPDF best websites to download free pdf books

Pros:

  • It has magazines, newspapers, and web novels.
  • Compared to other best websites to download free PDF books, it features a direct and hassle-free download process.

Cons:

  • Unsure of the source of the books on the website.

7. Library Genesis

Library Genesis, also known as LibGen, is one of the largest free PDF book download websites. It opens access to and is dedicated to millions of scholarly journal articles and academic and general-interest books. The optional file formats include EPUB, FB2, PDF, and TXT.

Library Genesis best websites to download free pdf books

Pros:

  • The best site to download books in PDF for free saves costs for education and study materials.
  • The website allows you to search for and get any book for free in PDF format by title, ISBN, publisher, or other matching query.

Cons:

  • It is not stable, and users may accidentally click on an ad page by mistake.

Bonus: How to Get PDF of Any Book by Yourself and Read It

There are tons of books on the internet, and you have the top seven best websites to download PDF books for free. However, if you are concerned about possible privacy or security issues, consider making the PDF yourself.

You can borrow a book and scan it to a PDF using SwifDoo PDF and seamlessly read and edit the document in the PDF software. SwifDoo PDF allows you to set the PDF quality, image DPI, page size, and OCR to make the document searchable while scanning.

Tip: Even though you still choose the above best websites to download free PDF books, you can experience the powerful editing feature in SwifDoo PDF. You can even annotate the content while viewing, and listen to the book with text-to-speech.

A brief guide on how to get a PDF of any book by scanning.

Step 1: Connect your computer with SwifDoo PDF installed to a printer;

Step 2: Put your borrowed book page on the scanner, and choose Create > From Scanner in the software;

Step 3: Adjust the PDF creating settings and check the OCR option if you need the PDF to be editable;

Bonus: How to Get PDF of Any Book by Yourself

Step 4: Click Scan, and repeat the former steps to turn other document pages into PDF pages;

Step 5: When you're done, you can merge all the PDF pages if you missed some and open the PDF in SwifDoo PDF instantly;

Step 6: You can highlight, take notes, mark up, and draw freehand on the PDF for memorization. Save the PDF once you finish.

Methods to Read PDF Aloud on Computer and Mobile

Methods to Read PDF Aloud on Computer and Mobile

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Conclusion

This article is compiled to save you minutes or even hours seeking where to download free PDF books. Compare their strengths and weaknesses, as well as their areas of excellence. You can combine these best websites to download free books in PDF, as each one may have free PDF books, while others may not.

A pro tip here is how to generate a PDF of your book using PDF editor software if the book has few pages. SwifDoo PDF can also help you read PDFs aloud, translate languages, and add comments once you’ve used the best sites to download free PDF books. Additionally, those with a library card can have Libby or other free reading apps to read books.

FAQ

  • Q: Is the Z-Library free to download?
    Z-Library is also one of the best places to download PDF books for free. It’s preferred by researchers, students, and other bookworms. However, it was shut down by the United States before. The digital website emerged and has reappeared in variant domains. It has daily book download limits, depending on the account. Users with a guest or no account can download 5 free PDF books per day. Registered users can download 10 free PDF books.

Charlotte has been in the software industry for 8+ years. She works for AWZWARE now as a passionate writer. She is good at providing simple guides to use various video, office and entertainment software. Charlotte also recommends many other useful tools to make your work and life easier. A food lover too.

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