How to Convert KFX to PDF

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As you have noticed, the most majority of Kindle books come with DRM protection. And now Amazon adopts KFX as their new ebook format. So many Kindle users may wonder if it is possible to remove DRM from KFX books and convert KFX to other formats, like ePub/PDF/Mobi/AZW3. And the answer is yes. So in this article, we are going to tell you more about KFX format and how to convert KFX to PDF.

What is KFX Format?

A KFX file is an eBook created in the Kindle Format 10, Amazon’s successor to the AZW3 format. It contains an Amazon eBook, which includes the text and metadata describing the book. KFX files support enhanced typesetting capabilities that are not provided in previous formats, such as hyphenation, improved character placement and word spacing, and a more adaptable page layout and margins.

How to tell if a Kindle book is KFX format or not

If the Kindle book is described as Enhanced Typesetting enabled in its product details, then it is a KFX format book.

books with enhanced typesettings

The KFX eBook downloaded from the Amazon store depends on the device being used to download and read the eBook. It may be saved in the KFX format or in the AZW format.

And KFX books downloaded with Kindle for PC/Mac is saved in AZW format.

kfx content Pc

While it will be saved in KFX format if it is downloaded with Kindle E-ink Reader.

kfx content device

How to Remove KFX DRM

Not long after Amazon adopts KFX as their latest format, Epubor software is the first software on the market to declare that it can remove DRM from KFX books. Since all KFX books has DRM protection and there’s so many limitation about the encrypted KFX books, like you can only read the KFX books with Kindle apps or devices with firmware higher than 5.8 registered under your Amazon purchased account.

How to remove DRM from Kindle KFX files

Step 1install 1.24 or below version Kindle for PC/Mac to your computer and sign in with your Amazon account.

Step 2download Kindle books to your computer via version 1.24 or lower Kindle for PC/Mac.

Step 3download Epubor Ultimate to your computer and launch it.

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Step 4add the Kindle books under Kindle Column from the left sidebar to the right main window. Then the DRMed AZW books will be decrypted immediately.

decrypt kfx via Kindle for PC1

How to Convert KFX to PDF

Many people have the wrong perception that Calibre can open decrypted KFX book. While the fact is that neither can Calibre open DRM free KFX file nor can it convert KFX files for you. And Epubor Ultimate is the first software on the market to declare that it can remove DRM from KFX books as well as convert to ePub/Mobi/PDF/AZW3 format. Here’s the guide about how to convert KFX to PDF.

First, you have to decrypted the KFX books. And the method about how to remove DRM from KFX is listed above.

Next, choose PDF as the output format and hit the Convert to PDF button. Then all of your decrypted KFX books listed on the main window will be converted in batch. The cool thing about Epubor software is that it can save you a lot of time. You can find the convert PDF book by simply clicking Succeeded.

convert kindle to pdf 02


Amazon claims there are around 100,000 e-books on their website that their titles in the new KFX format, chances are pretty good that you may someday get one KFX format book. So this article may help you relieve some concern about KFX files. At the same time, we also have provide you some solutions about how to remove DRM from KFX books as well convert KFX to PDF.

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