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Spotlight on EPUB vs PDF and Way to Convert Between Them

  • By Steven
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  • Updated on August 18, 2025
Introduction:
EPUB and PDFs are two widely used formats. While EPUB is popular for electronic publications, PDFs are more useful for data storage and communication. However, EPUB vs PDF is a tough nut to crack. But knowing specific usage parameters can help you make a well-informed decision. In this SwifDoo PDF post, we’ll walk you through understanding EPUB and PDF and the key differences between the two formats. We’ll also share an excellent way to convert between the two formats without trouble. So keep reading.
summary

Overview of EPUB and PDF

EPUB files, or electronic publication files, are widely used to store eBooks for free. It can easily store images, fonts, written content, tables of contents, and much more. The best part is that EPUB files can seamlessly display content on screens with the smallest resolution. They are not only interactive but also optimized for viewing on devices. The virtual accessibility is so great that even users with a 3.5-inch screen can use the EPUB format.

Now, if you wonder what a PDF file is, it was created in 1992 by Adobe. PDF was designed to create, send, and share PDF files globally. It is typically a viewing format and is used when the document doesn’t require any editing. Highlighting is available, but editing features in PDFs can be complex to use. Because it’s easy to share and open, this non-editable format is often used in education and work.

A Side-by-Side Comparison of EPUB vs PDF

Let’s learn the comprehensive comparison between EPUB and PDF from the aspects of file size, device compatibility, and readability. In addition, the security is also part of the comparison.

#File Size

EPUB vs PDF: Which one has a smaller file size? EPUB files are lighter, enhancing the document’s portability. They are stored in a zip file and are smaller than PDF files. They use HTML to proceed. On the contrary, PDF files are relatively larger as they save the direction of characters, fonts, and location.  

#Compatibility

Wondering which format has better compatibility: EPUB or PDF format?  EPUB files are widely supported on popular e-readers and apps across all devices. On the other hand, PDF files are nearly universally compatible. They are viewable on almost all devices and platforms using apps, browsers, and built-in viewers on most OSs.

#Reading Experience

Comparing the reading experience, EPUB offers a better reading experience than PDF. EPUB files have reflowable text so that they can be displayed on different devices with different screen resolutions. Despite that, it allows the page size to fit all device types. At the same time, PDF formats may not be easy to read for viewers. Unlike EPUB, PDF doesn’t optimize for different screen resolutions. To see the text clearly, mobile users often need to zoom out.

#Security & DRM Protection

When comparing PDF vs EPUB in terms of security, PDF has the edge, which includes strong security features, such as password protection, encryption, and restricted printing. On the contrary, EPUB relies more on DRM systems, which control user permissions for commercial eBooks.

#Media Interactivity

Is EPUB better than PDF when talking about media interactivity? Yes! EPUB offers higher media interactivity than PDF. It can embed audio, video, and interactive elements, while a PDF is more static. It has limited support for multimedia and interactivity. More importantly, PDF preserves layout and formatting across devices.

EPUB or PDF: Which Should be Your Choice

After learning about the differences between PDF and EPUB, you may think about which format you should choose. Well, it largely depends on the document’s usability according to your needs. EPUB is compatible with most readers. It offers interactive features and lets text flow to fit the screen. It offers layouts that adapt and interactive features suited for reading on screens. On the contrary, PDFs are interactive and user-friendly, but the file size is quite large, and hence they do not fit all screens.

Here’s how each format is typically used:

When to use EPUB? 

  • Reading eBooks through mobile or e-reader platforms.
  • Commonly designed for electronic reading materials such as stories and novels.

When to use PDF? 

  • Opt for PDFs for graphic-heavy content. 
  • PDFs are handy for preserving the original formatting. 
  • They are suitable for printing purposes. 
  • PDFs are highly used for academic/non-academic articles, offices, businesses, and presentations. 

Your decision should be based on whether you value screen-friendly reading or precise formatting.

Recommended Way to Convert Between EPUB and PDF

At times, converting EPUB to PDF is needed for easier printing or sharing. You may need to convert a PDF to EPUB without losing formatting for easier reading on e-readers. To get smooth and reliable results with a consistent conversion experience, SwifDoo PDF is highly recommended.

SwifDoo PDF excels among the best PDF converters. With a fast, easy-to-use interface and powerful tools, it handles PDF tasks efficiently. This PDF software handles batch conversions across PDFs, EPUBs, Word, Excel, and image formats effortlessly. Plus, it keeps the formatting and layout just like the original file. SwifDoo PDF combines speed and reliability, making document handling easy for both home users and professionals.

Check out the process to convert EPUB to PDF with SwifDoo PDF. 

Step 1. Download and open SwifDoo PDF on your computer.

Step 2. Then, go to the Convert tab and select the EPUB to PDF option.

Click Convert and choose the EPUB to PDF option in SwifDoo PDF

Tips: SwifDoo PDF lets you convert PDF to EPUB when needed. Simply open the PDF to More list and choose the PDF to EPUB option. It handles conversions for Word, Excel, PowerPoint, image formats, and many more.

Choose the PDF to EPUB option from the PDF to More list in SwifDoo PDF

Step 3. Next, add your EPUB file to SwifDoo PDF by clicking on Add Files or directly dragging and dropping. Pick an output location and press Start to convert your EPUB file to PDF.

Import the target EPUB file and click Start to convert it to a PDF file in SwifDoo PDF

Final Words

Now, you have learned what EPUB and PDF are in detail. We have also shared several creative aspects highlighting the differences between the two formats. Depending on the document’s usability and application, you may choose between EPUB vs PDF. To work better with either format, we recommend using SwifDoo PDF. With a user-friendly design, it lets you convert, edit, and annotate documents quickly and easily.

FAQs

  • Q: Which is better, EPUB or PDF?
    EPUB files are reflowable and better for digital reading experiences. However, PDF files have a fixed layout. They benefit situations where consistent design and print quality are essential.
  • Q: What are the disadvantages of EPUB files?
    EPUBs flexibly adjust to work well on various devices and screen sizes. However, they have fixed layout limitations. They may be unsuitable for documents requiring precise layout control. Plus, such files have potential for layout inconsistencies. To say, their reflowable nature can result in slight variations in appearance across devices.
  • Q: Should I download EPUB or PDF for Kindle?
    For reading on Kindle devices, the EPUB format is better than PDF. Although both can work on Kindles, EPUB is specifically designed for e-readers. It offers a more user-friendly experience. Conversely, PDFs ensure the original formatting stays consistent. Their fixed layout makes reading on small screens difficult.
  • Q: What is the primary difference between EPUB and MOBI?
    The primary distinction between EPUB and MOBI lies in their target platforms and compatibility. EPUB is a broadly supported standard ideal for different e-readers and platforms. Unlike EPUB, MOBI is mainly connected with Amazon’s Kindle environment. In short, EPUB provides greater compatibility, while MOBI targets the Kindle audience.

Steven is a dedicated contributor at Swifdoo.com. He possesses a deep understanding of various technology domains, including PDF software, program components, and video recording software technologies. He is committed to providing you with the latest insights and solutions to technology-related issues.

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