How to Convert KFX to PDF? (Online and Offline)

Trying to open a Kindle book on another device but couldn't? That's because Kindle books use the KFX format, which is locked with DRM protection. To open this format, your device must have a Kindle app. But if it doesn't, don't worry! There is an alternative.

You can convert KFX to PDF. This makes reading easier on any device without restrictions. Also, PDF files work on phones, tablets, and computers, so you don't need Kindle apps.

Some users may want to have a better reading experience after converting KFX to PDF. We recommend you to use the tool —UPDF. You can download it here and check if it is what you need.

Part 1. Convert KFX to PDF Online via ReaConverter

Want a simple way to turn KFX to PDF? Try Reaconverter! It's an online tool, so you don't need to download anything. Just upload your KFX file, pick PDF as the format, and hit convert. In a few seconds, your PDF is ready to download!

This method is great if you want a quick fix. However, online tools can have limits, like smaller file sizes and slower speed. If you have many books to convert, it might take time. Still, Reaconverter is a handy way to turn KFX files into PDFs without trouble!

Here is how you can convert KFX to PDF online using Reaconverter:

Step 1: Open your browser and search for the official website of ReaConverter.

Step 2: Click "add KFX files" on the website and upload your KFX file.

Step 3: After uploading the KFX file, you will see the below interface. Select "PDF" and click the "Convert" button.

Step 4: It will take a few minutes for ReaConverter to convert a KFX file into a PDF. Once you notice that the process has been finished, hit the "Download" button. The converted PDF will be saved on your system.

That's how you can convert KFX to PDF online. Now, let's explore another method!

Part 2. Convert Amazon KFX Book to PDF Offline via Calibre

Another tool that you can use to convert KFX to PDF is "Calibre." However, you are supposed to download and install this software to use it. Calibre works well when it comes to even converting multiple books at once. This tool gives you more control over your files. The only issue is new users may need to learn it first.

Here is how to convert KFX to PDF Calibre:

Step 1: Download the Calibre software for your OS by going to the company's official website. It is compatible with Android, iOS, Linux, MacOS, and Windows.

Step 2: Open Calibre and navigate to "Add books" at the top left of your screen. Find your KFX file and hit on it.

Step 3: When you see the ebook added in the Calibre library, select it and click "Convert books." Then, choose PDF from the options. You can also customize the page size, layout, font, and other options.

Step 4: After everything is done, click "OK," and the conversion process will begin. After completion, the converted PDF will appear in the Calibre library.

Step 5: Right-click on the ebook title and select "Open containing folder" to locate and open the converted PDF file.

That's it! This is how you can convert Amazon KFX to PDF.

Part 3. Bonus Tip: How to Read Converted PDF?

So, you've converted your KFX book to PDF—now what? You will need a good PDF reader to enjoy your book without hassle. That's where UPDF comes in!

With UPDF, reading feels smooth and effortless. Got a long book? The AI assistant can summarize key points in seconds. Struggling with a foreign language? UPDF lets you translate instantly. Stuck on a tricky word? Just use the explain feature!

Plus, you can highlight, add notes, and switch between dark mode, slideshow mode, or different display styles for a comfortable experience. Give it a try—download UPDF now and read like a pro!

Here is how you can read your converted PDF on UPDF:

Step 1: Open PDF in UPDF

If you have downloaded the UPDF software, launch it. Click "Open File" and select the converted PDF to open it in UPDF. You can also drag and drop it here.

Step 2: Change the Display Mode

After opening the PDF in UPDF, it will appear as this in the image. To change the display to dark, click "File" at the top left. Then, go to "Preferences," and in the "General" tab, select the mode you want.

Step 3: Show PDF as a Slide Show

To view your PDF as a slide show, merely click on the "Slide Show" at top; you will then have an option to play from the "Start" or "Play from Current Slide". You also have the controls right at the lower left to skip forward, backtrack, etc.

Step 4: Change the Display Size

If you want to change the display size, right-click on the page and customize these options to suit your needs. You can also use the zoom-in/out button on the top.

Step 5: Translate/Summarize/Explain the Text

Select the text you want to translate/summarize/explain, and a pop-up menu will appear. Click the drop-down button next to "Translate," you will see these three options. Click any to perform it.

(Note: For translation, annotation, and AI assistant use, you may need to perform OCR if your PDF is scanned or image only. Click the OCR button on the right side, select the document language, and click "Perform OCR." The new PDF will be opened automatically.)

Step 6: Add Annotations to PDF

Select the text where you want to add annotations. In the popup menu, select the relevant option to highlight, underline, or strike the text. You can also change the color of the elements and add notes.

Want to know how to read PDF? Watch this video to check out its features! Read this article to learn more about this tool. Give it a try and see how UPDF makes reading PDFs easier!

Final Words

So, that’s how you turn KFX to PDF! You can use Reaconverter for a quick online fix or Calibre for more control. Once converted, your books are free to read on any device without Kindle’s restrictions. But reading PDFs can be even better with UPDF! It has everything one could ask for to make reading fun and comfortable.

Want to try it out? Download UPDF now and enjoy a smoother reading experience!