How to Convert EPub eBook to Amazon Kindle Format for Free

This blog is trying to provide a good solution for huge amount requirement of converting ePub format eBooks to a new format eBooks that are readable in Amazon Kindle (Paperwhite, Voyage etc.).

Amazon Kindle is the one of the most popular eReader devices in the world, which is released by Amazon. Based on the newest model of Kindle Paperwhite model (2015 edition), you can read eBooks, download eBooks, view web pages, buy eBooks online; It also provide native dictionary, read different languages, adjust font size, touch screen etc. features.

What is the Main Problem Lots of Kindle Users Having ?

A major asked question and common complained problem were focused on the eBook format. In different countries, Kindle users have different eBook resources, which are using different electronic file format.

For example, in Canada, people like to borrow books from local libraries, they also would like to read local library eBooks using Amazon Kindle devices. However, current Canada Libraries are using the .epub eBook format mainly since the eBook resources are from 3rd party services which use .pub eBook format as their major file saving way, ie: OverDriver. The problem is: popular Kindle models such as Paperwhite does not support epub format files.

The following is existing supported formats by OverDriver:


So the Canadian Kindle users often complain they can not take advantage of local library eBooks on Kindle devices includes Kindle Paperwhite. Kindle Voyage ( Kindle Fire is ok due to OverDriver info )

What is the Amazon Kindle Model Mentioned in This Blog ?

Let’s limit the Amazon Kindle models range to have better description in this blog article. Currently the hot and popular of Amazon Kindle is the Kindle Paperwhite 6″ 300 ppi with Built-in Light Wifi model, which is a 2015 model coming with 300 ppi and 4 GB storage and 1 GB RAM. . So in this article, we are going to use this model to descript our solution.

The new model of Paperwhite supports following file formats:  Kindle Format 8 (AZW3), Kindle (AZW), TXT, PDF, unprotected MOBI, PRC natively; HTML, DOC, DOCX, JPEG, GIF, PNG, BMP through conversion. We can see the new model supports PDF natively which is another important feature compared to the old Paperwhite model. However, still no .epub format included.

How to Convert .epub Files to Any Format which Kindle Paperwhite Supported for Free ?

Here we use an open source and free software to convert .epub file.

Calibre, is a  free and open source eBook library management application. Calibre provides multiple features, we will use its eBook conversion feature.

1: Download Calibre from Calibre official website, they provides multiple editions due to target OS systems (Widnows, OS X, Linux, even portable edition); We use Windows edition here;

2: After you install Calibre, open it, click “Add books” button on the top to add the book which you want to convert. For example, an .epub format book;


3: After adding a book, select it and click Convert books button:


4: A Convert window will be opened. Here you specify output format. Calibre can convert multiple formats to multiple formats, which is strong.

Here we select .mobi format which is supported by Kindle Paperwhite as output format:


5: We can adjust some settings to get better outputting.

For example, we select the output profile to Kindle Paperwhite or Paperwhite 3 to generate Kindle Paperwhite specified file.

Also, you can adjust font size under the Look & Feel settings.

After you set done all settings, click OK button to start the file converting:


6: After the converting process done, select the target file, right mouse click and open the containing folder:


You can see the generated .mobi file, which could be sent to your Kindle Paperwhite to read:


Above is the file format converting processing. The next time we might have another blog to talk about how to send external files to Kindle Paperwhite, which is another topic that some people want to know.