Free PDF Books: 3,500+ Books to Download (2026)

Q: Do I need to register to download?

No, no registration is required. You can download all the books you want immediately, without creating an account and without any fees.

Q: What device can I read a PDF on?

The PDF format is universal and compatible with all devices: computer (Windows, Mac, Linux), tablet (iPad, Android), and mobile phone. All you need is a PDF reader, often built into your browser or operating system by default.

Q: How do I read a PDF on my phone?

Most modern phones open PDFs directly in the browser. You can also use free apps like Adobe Acrobat Reader, Google PDF Viewer, or Apple Books for a better reading experience.

Q: Which classic books are available for free?

InfoBooks offers the complete works of dozens of classic authors: Victor Hugo, William Shakespeare, Fyodor Dostoevsky, Jane Austen, Jules Verne, and many more. Check our Classic Authors section to discover the full list.

Q: How many free books does InfoBooks offer?

Our library has over 3,500 free PDF books, spread across dozens of categories: novels, philosophy, personal development, psychology, history, and many more. New titles on current and trending topics are added every week.

Q: Are the books complete or just excerpts?

All books available on InfoBooks are complete works, not excerpts or summaries. You download the full book in PDF format.

Q: How do I download free PDF books?

Three steps. No account needed. 1) Choose a category or an author. 2) Find a book that interests you. 3) Click download. That's it. The PDF downloads directly to your device. Need more details? Check our download guide .

Q: Is it legal to download free PDF books?

Yes. Some authors share their work freely. Others use Creative Commons licenses. And everything published before a certain date enters the public domain. In the US, works published before 1928 are in the public domain. So Victor Hugo, Shakespeare, Dostoevsky? Free to share. We don't do piracy. Every book here has a legal reason to be here.

Q: Which format to choose: PDF or EPUB?

PDF keeps the layout fixed and identical on all devices, works on any device, and is ideal for illustrated books and manuals. EPUB adapts to the screen, allows adjustable text size, and is ideal for novels without images. We use PDF because it works everywhere: phone, tablet, computer. No special app required.

by InfoBooks

Updated on March 25, 2026

Looking for free PDF books? We've gathered over 3,500 free books to download in PDF, covering topics like philosophy, novels, self-help, psychology, history, science, technology and many more.

Our library spans from timeless classic works to books on current and trending topics. No matter your interest or field of study, there's a book here waiting for you.

All books are available legally and securely. Public domain, Creative Commons license, or shared with the author's permission. Plus, we update the collection every week with new titles on the topics our readers care about most.

All books are free to read online or download in PDF. No registration, no fees.

Fiction

25 Most Downloaded Fiction Books

The novels our readers download the most. Timeless classics from Austen, Orwell, Kafka and more. All complete, in PDF, ready to read.

Non-Fiction

25 Most Downloaded Non-Fiction Books

Philosophy, strategy, personal development and critical thinking. The non-fiction books our readers choose again and again. All free in PDF.

By Topic

All Free Book Categories

Don't know where to start? Pick a theme. Psychology, philosophy, business, fiction. Each category contains dozens of books. There's surely something useful for you.

Authors

Free Books by Author

The writers who shaped literature. Complete works, not excerpts. Shakespeare, Hugo, Dostoevsky, Austen. Their books are free because they belong to everyone now.