Guide
Tips: How to Quickly Read Your PDF Books Online
Best Websites to Download PDF Books For Free
Quick Overview of the 7 Websites to Download PDF Books
Tips: How to Quickly Read Your PDF Books Online
LightPDF is the ultimate PDF solution for reading and editing PDF books. It offers powerful tools to edit text and images, annotate, highlight, and organize your PDFs for a seamless reading experience. Plus, with its AI-powered tool, LightPDF can automatically summarize your PDF books, helping you grasp key points quickly. Start your journey today with a free VIP and make the most of your PDF reading and editing needs!
Best Websites to Download PDF Books For Free
1. Project Gutenberg
Project Gutenberg is one of the best sites to download PDF books for free. It offers over 60,000 eBooks, including classic literature, historical texts, and other public domain works. You can easily search for your favorite titles and download eBooks online in PDF format, or choose other formats like ePUB, Kindle, and HTML. With its vast collection of timeless books, Project Gutenberg is an ideal platform for anyone looking to access free, high-quality PDF eBooks online.
2. Zlibrary
ZLibrary is often regarded as the world’s largest e-book library, with an impressive collection of over 100 million books, according to their claims. The platform allows users to download e-books online without registration and in various formats, including the option to download PDF books for free. ZLibrary’s mission is to encourage a love for reading by providing free access to literature for everyone, regardless of location or background. With its advanced search options, users can find books and articles based on year, language, publisher, author, ISBN, or even MD5 hash, making it incredibly convenient to locate specific content. Whether you’re searching for a classic novel or a rare academic paper, ZLibrary strives to make reading and knowledge sharing more accessible to all.
3. Bookboon
Bookboon is another free PDF book download site where you can download eBooks and textbooks in PDF format. Offering over 50 million PDFs, it stands as one of the world’s largest online publishers, focusing on practical books in IT, business, engineering, and more. The site organizes its collection into categories, allowing you to easily download the books you need and explore related resources to expand your knowledge.
4. Free-Ebooks
Unlike other websites to download free PDF books, Free-Ebooks offers a variety of formats, including PDF, ePUB, Kindle, and TXT, with PDF being the most common. Users can explore categories such as fiction, non-fiction, academic, textbooks, classics, audiobooks (both fiction and non-fiction), and children’s books. Before downloading a PDF book online, the site also lets you preview it, ensuring you find exactly what you’re looking for.
5. Free Computer Books
Free-Ebooks is a great platform to download PDF books online in 2025, offering various formats like PDF, ePUB, Kindle, and TXT, with PDF being the most common. You can explore a wide range of categories, including fiction, non-fiction, academic, textbooks, classics, fiction audiobooks, non-fiction audiobooks, and children’s books. The site also allows you to preview a PDF book before downloading, ensuring you find exactly what you want.
6. ManyBooks
ManyBooks offers thousands of free eBooks, available in various formats including PDF, ePUB, mobi, pdb, and more. These formats are compatible with a wide range of devices such as computers, mobiles, iPods, Kindle, and others. Whether you’re reading on the go or at home, ManyBooks provides a convenient way to download PDF books and other formats for free.
7. Internet Archive
Internet Archive is a non-profit online platform where users can access a variety of eBooks, audio, videos, and more. It offers books from different sources in multiple formats, and you can easily search for your desired book to check if it’s available in PDF. If so, you can download it for free.
Now that you know the best websites for downloading free PDF books and free manga books, you can use this Ebook PDF reader to start reading your favorite PDF books on your computer!
Quick Overview of the 7 Websites to Download PDF Books
In this part, the table below compares the top websites for downloading free PDF books. Wherein it describes each platform’s features, pricing, advantages, and possible drawbacks. Not to mention, this makes it easier to choose the right source based on your reading needs and preferences. After finding your ideal site, you can use LightPDF to read, edit, annotate, and manage your downloaded PDFs with ease.
| Website | Features | Pricing | Advantages | Disadvantages |
| Project Gutenberg | Vast library of over 60,000 public-domain ebooks; multiple formats (PDF, ePub, Kindle, HTML). | Free | High-quality public-domain texts; multiple formats; no registration. | Mainly older classics; contemporary titles absent. |
| ZLibrary | Massive claimed collection (100 million+ titles); advanced searches (year, language, ISBN, MD5). | Free | Extensive catalog; highly detailed search options. | Legal status is murky—potential copyright concerns. |
| Bookboon.com | Over 50 million practical ebooks/textbooks (IT, business, engineering); category-based browsing. | Free (some content) | Practical, professional-focused texts; well-organized categories. | May require payment/subscription for full access (implied). |
| Free-Ebooks.net | Wide genre range: fiction, non-fiction, academic, children’s; preview and format choice. | Free | Broad, accessible catalog with previews; multiple formats. | Requires account; free tier may limit downloads. |
| Free Computer Books | Tech-focused books in PDF and other formats; broad tech/academic coverage. | Free | Strong resource for tech and academic subjects. | Less intuitive interface; limited to computer-related books. |
| ManyBooks | Thousands of titles in formats like PDF, ePub, mobi, pdb; wide device compatibility. | Free | Strong resource for tech and academic subjects. Diverse formats, device support; vast public-domain selection. | Older content dominates; fewer recent releases. |
| Internet Archive | Huge archive of books, multimedia, e-texts; PDF downloads available. | Free | Massive, eclectic collection; historical and rare works. | Search interface can be complex; mixed quality scans. |
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