eBooks have gained popularity in recent years, with different files formats like ePUB and PDF. It’s mainly the flexibility and portability that eBooks offer. The file formats enable interactivity and allow publishers to customize eBooks.
In order to develop and deliver interactive and compelling eBooks, authors and publishers use different eBook file formats, and the most popular one among them is the ePUB format.
Did you know that PDF is the world’s oldest eBook format? So, how is it that ePUB became more popular than PDF? let’s compare ePub vs PDF
What is an ePUB and a PDF?
PDF is basically paper in an electronic form. It’s static. It’s fixed. It’s unchangeable. Just like you cannot customize a printed physical book, you can’t really customize a PDF file. It’s not very flexible. But it’s easy to use, distribute and share.
Maybe that’s why it is still one of the most circulated digital document formats in the world. But just like every old thing gives way to something new, PDF files made way for something much more interesting.
And that’s ePUB format. After more than a decade since PDF originated, ePUB was developed by the International Digital Publishing Forum, and it became the standard format for digital publication.
This is the most preferred type of file format for eBooks. But you cannot ignore the fact that in spite of all the technological advancements, PDF is still thriving. People across the world are still using PDFs.
Unfortunately, PDF does not meet the requirements of an eBook publisher. Digital publishers prefer ePUB over PDF files. So, that means ePUBs must have some advantages over PDFs.
Top 7 Advantages of ePUB over PDF:
1. ePub Makes Creating and editing the files is comparatively easy:
An ePUB is a zip file consisting of style sheets, XHTML files, and JPG for images. If you are not very experienced in coding languages, you could use one of the many software available online to create an ePUB file. You would find a lot of paid and open source software for ePUB conversions. You only have to upload the manuscript and convert it into an ePUB file. That’s it.
In order to create a PDF file, you require Adobe Acrobat’s PDF creator. If not this, then there are many other PDF converters to convert your existing files into PDFs.
ePUB files are easier to edit. You just have to make changes in the HTML codes and you can make whatever modifications you need. But with PDF, you need to have an Adobe subscription or maybe subscribe to some other software in order to edit and make changes to the content and layout.
2. Flow of the eBook:
The main feature that differentiates ePUB from a PDF file is its ability to reflow its content. When you open a PDF document on a small screen device, you would have to zoom, pan and pinch in order to read the document.
That doesn’t sound like a comfortable reading experience, does it? The users need something which they can sit back, relax and read, without having to fidget with the screen very often.
On the other hand, an ePUB document fits smoothly around the screen. The page breaks depend on the size of the screen. This is because of its reflowable nature. The content on the page rearranges and realigns itself such that the user can have a good reading experience. The text arranges itself automatically according to the screen size of the user’s reading device.
A PDF document is a digital paper, plain and simple. Whereas an ePUB file is like a website. And websites are usually responsive in design. You can’t compare a paper to a website.
And if you do not want to present your eBook in a reflowable format, ePUB also gives you the option to create fixed layout eBooks. A fixed ePUB format, just like a PDF, does not change its alignment as per the screen sizes.
But, since it is in ePUB format, it allows you to add certain additional features which a PDF does not allow. We’ll look at some of those features in the upcoming points.
3. You can add media files:
eBooks are popular because they are not like your regular books. Apart from text content, they also contain audio files, videos and rich images. This sets them apart from PDFs. ePUB allows you to add these multimedia elements to the eBook in order to make them interactive.
PDF is basically a static document with text and images. But it is trying to become more engaging and interesting by including videos and such multimedia files in it. The only trouble is that videos on a PDF file relies on software compatibility.
You need to open the file in a certain PDF reader, only then can you watch the video in action. So, the user will have to first download a software which will allow the PDF to play a video. Whereas ePUB does not require any additional software for support.
4. Supported on multiple reader platforms:
ePUB is designed keeping in mind the eBook readers. And hence, they are more suited for eReaders. XML and XHTML make ePUBs accessible and compatible with most of the software tools. You can read an ePUB document on a computer, smartphone, tablet and any eReader (except Kindle).
Many eReaders such as Apple’s iBooks, Barnes & Noble’s Nook and many others support ePUB files. And for this reason, it is popular and preferred by most digital publishers. Since ePUB files are supported by majority of the eBook readers, it gives the authors and publishers a chance to expand their reader base.
PDF files can be read on almost all devices, but you cannot read them on all eReaders. They are not designed to be displayed on an eBook reader. They are designed for big screens like a desktop computer or a laptop.
Though you can view them on phones and tablets, a bigger screen helps view the PDF content comfortably, without having to pinch and zoom a lot.
5. Retailer’s favourite:
eBooks with ePUB format are already available in stores. All major eBook retail sites and distributors such as Amazon, Apple, Nook, Kobo etc. accept ePUB files. As it is a widely accepted format and is supported by most of the eReaders, eBooks with ePUB files can be easily bought and sold online.
But these sites do not accept PDFs. If you have a PDF file, you would first have to get it converted to ePUB or any acceptable eBook formats and then approach the online eBook stores. There are quite a lot of software packages available to do the job if you want to create a sellable eBook.
How to Automate PDF to ePub3 Conversion
6. Offers more security than PDF:
PDF provides a, password lock system to secure your files. This, however, can’t be called a totally safe and secure method. You might be aware of password recovery software that can be used to remove the password on your document? So, the password lock might not be very effective in protecting your files. Passwords can be shared around. You would never know who is using or misusing your PDF document.
ePUB offers DRM protection. Which means the users cannot share the eBooks without permission. Only you have the rights to allow people to read or specify a time period for accessing the content or limit the devices where the eBook can be installed on.
DRM protects your eBooks from thefts and unauthorized circulation and copying of content. There are data encryption codes embedded in the eBooks that prevents anyone from accessing the content without a proper access key. So, your content is more protected as an ePUB file than as a PDF document.
7. Accessibility Features:
ePUB is designed with accessibility in mind. It supports features like text-to-speech, screen readers, and navigation aids for the visually impaired. Additionally, ePUBs allow publishers to include metadata that describes the structure of the content, making it easier for assistive technologies to provide a better reading experience.
The digital reading trend has given rise to different formats of eBooks. While traditional books only had one reading format- the paper, eBooks have multiple formats to choose from.
And it seems like ePUB fits the bill perfectly. ePUB has made consumption of eBooks easy on different reading platforms. It is multiple device compatible, has interactive features, easy to create, and secure from piracy.
Now, considering all these factors, do we all agree that ePUB is better suited for eBooks? The advantages of ePUB over PDF can be clearly seen when you attempt to read both these documents on a mobile device.
PDF is undoubtedly the world’s first eBook and is still quite widely used. However, ePUB is equipped with better and enhanced functionalities. It was designed specifically for eBooks, to give the users a dynamic reading experience.
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