Best 5 Websites to Download Books in PDF for Free and Boost Their Quality

In this digital age, books have also become digital. Instead of carrying heavy paperbacks, readers can now download PDF books directly to their devices with ease. Whether you are a student, a professional, or someone who loves reading, having access to free PDF books is incredibly helpful. However, not all PDF books are created equal.

That's why it is important not only to find the best website to download free PDF books. In this article, we'll explore the top websites to download books in PDF for free in 2025.

Part 1. Why People Look for Free PDF Book Download Websites

There are many reasons why people search for the best website to download free books in PDF. Here are some of the common ones:

1. Save Money on Books

Textbooks, especially for college or university, can be very expensive. Some books cost as much as $100 or more, which can be prohibitively expensive, especially if you are a student with a limited budget.

Contrary to this, using websites to download PDF books for free can help students and avid readers access the information easily without spending.

2. Easy to Carry and Store

As physical books are made up of paper, they can be heavy and take up a lot of space. However, with PDF books, everything fits into one device, and you don't have to carry books in your bag.

Whether you're using a tablet, smartphone, or laptop, you can carry hundreds of books wherever you go. So, we can say that PDF books are easier to organize than stacking physical books on shelves.

3. Offline Reading Convenience

You cannot have internet access all the time. For example, when you are on a flight or commuting, or in remote areas where the signals are weak, this can interrupt your study.

However, having your books already downloaded allows you to keep reading without interruptions. This is especially useful for someone who travels often or lives in remote places.

4. Support for Self-Learning

The internet has made it easier for people to learn new skills independently. Whether you want to learn to code, cook, or understand psychology, PDF books are a valuable resource. These free PDF books help fuel the self-education movement, offering accessible and diverse learning material to anyone who seeks it.

Part 2. Best Websites to Download Free PDF Books in 2025

Let's take a closer look at a list of websites to download free PDF books that you can trust. Each of these platforms has its own pros and cons, but all are well-known and widely used in 2025.

1. Project Gutenberg

Project Gutenberg is a classic and trusted source that you can use to download free eBooks in multiple formats, including PDF. It is basically a goldmine for fans of classic literature, as it focuses on older literary works that are now in the public domain.

To download a free PDF book from Project Gutenberg, visit the site and type your desired title in the search bar. You can either read it online or choose the PDF format and download the book.

2. PDF Drive

PDF Drive is basically one of the most comprehensive search engines for PDF books. Here you can get access to more than 70 million books that you can download for free. So whether you're looking for academic texts, self-help guides, or popular fiction, this site likely has what you need.

3. Open Library

Open Library is an initiative of the Internet Archive that aims to provide a web page for every book ever published. This virtual library keeps millions of records and is ideal for reading or downloading PDF files legally. The best thing is that you can even listen to the books in audio formats.

4. ManyBooks

ManyBooks works on a mission to provide free literature. As the name suggests, this platform offers a wide variety of eBooks across different genres, and that too for free. This makes it ideal for readers who enjoy exploring new authors or want to discover hidden gems.

The best thing is that ManyBooks also has a mobile app where they have categorized the books by the name of the author, recent, top rated, and more.

5. Free-Ebooks

Free-Ebooks.net is a user-friendly platform that offers thousands of eBooks in categories like fiction, business, health, and academics. It's especially useful if you are looking for practical and real-world content. To access the books on Free-Ebooks.net, simply create a free account, search or browse by category, and download the books in PDF.

Part 3. Enhance Downloaded PDFs with HitPaw FotorPea (NEW!)

Now you know how to download the PDF book with ease. However, sometimes after downloading the ebooks, you might encounter some unusual things, such as hard-to-read text or blurry images. If it is so, you don't need to worry, as HitPaw FotorPea is here to rescue you.

With this new PDF enhancement feature, you can improve the quality of your PDF files easily. Suppose you have downloaded the PDF files and they have blurry text, faded images, or background noise; HitPaw FotorPea can clean them up with just a few clicks. This is especially helpful for scanned documents, old books, or low-resolution files.

Some of the main features of HitPaw FotorPea include:

• Easy-to-use interface
• Make faded text look clear
• Sharpen blurry images
• Brighten up old scanned pages
• Advanced AI enhancement

How to use enhance PDFs using HitPaw FotorPea?

• Step 1.Go to the official HitPaw FotorPea website and download the software for your device. Once downloaded, open the installer and follow the setup instructions to install it.

  
  

• Step 2.After installing, open HitPaw FotorPea. From the home screen, click on "AI Enhancer." Then, tap "Enhance Photo Now" to begin the enhancement process.

  

• Step 3.Click the "+" icon in the bottom left corner to upload the PDF file you want to enhance. You can also drag and drop the file directly. Then choose your preferred AI enhancement model - options include.

  
  

  HitPaw FotorPea will automatically start uploading the file.

  

• Step 4.The built-in AI will now process and enhance the images in your PDF. Just sit back and wait a few seconds while the smart technology does all the work.

  

• Step 5.Once enhancement is complete, you'll see a preview of the result. If you're happy with how it looks, click the "Export" button to save it to your computer.

  

Part 4. FAQs about Downloading and Enhancing PDF Books

Conclusion

In this digital age, people prefer to download and read PDF books for many reasons. Some do it to learn on the go, while others do it to save money. However, whatever the reason is, downloading PDF books is getting popular, and websites like Project Gutenberg, PDF Drive, and Open Library have made the downloading process a lot easier.

However, sometimes the book turns out blurry or pixelated, and if that's the case, try using HitPaw FotorPea's new PDF enhancement feature that will make your PDFs look like premium eBooks.