Alternative Kindle DRM Removal Method for Non-Tech-Savvy Users
Windows Users: The most effective method is to use v2.8.0 Kindle for PC on a Windows computer—no Kindle e-ink device needed. For detailed instructions, refer to this guide.
Mac Users can refer to this guide to remove Kindle DRM using Kindle eInk device, Epubor Ultimate, or Epubor Kindle Converter.
With the DeDRM and KFX Input plugins, you can now easily import KFX books into Calibre and remove Kindle DRM. This lets you back up and convert them to formats like MOBI, EPUB, or PDF. In this guide, I’ll walk you through the process step by step.
1. How to Convert Kindle KFX to EPUB/PDF/MOBI with Calibre
The DeDRM Calibre plugin is a free tool designed to help remove KFX DRM. However, the main inconvenience of using Calibre for this purpose is the need to install both the DeDRM Plugin and KFX Input Plugin first. This step is essential but can be the most challenging part of the process when converting DRM-protected KFX books to formats like EPUB, PDF, or TXT.
The Calibre DeDRM plugin cannot decrypt Kindle books downloaded through Kindle for PC 2.41 or higher, or any version of Kindle for Mac.
Step 1Download Calibre to your computer and launch it.
Step 2Download DeDRM_tools(v10.0.9) and KFX Input Plugin to your computer.
Remember to unzip the DeDRM_tools plugin package, or you won't be able to load the plugin to calibre successfully.
Step 3Load DeDRM Calibre Plugin and KFX Conversion Input Plugin to Calibre.
Open calibre's Preferences dialog. Click on the Plugins button. Next, click on the Load plugin from file button.
Navigate to the DeDRM_tools folder and, find the file DeDRM_plugin.zip. Click to select the file and select Open.
Click Yes in the 'Are you sure?' dialog box.
Then click the Restart calibre now button in the 'Success' dialog box.
Then repeat the same operation to load the zipped KFX Input folder to Calibre(You do not need to unzip KFX input plugin).
Step 4Add Kindle KFX Books to Calibre
You need to download KFX books with v2.4.0 Kindle for PC or Kindle e-ink Reader first, then add Kindle books from "My Kindle Content" folder or the Kindle's Document folder to Calibre manually. KFX DRM will be removed soon after you add it to Calibre library.
The KFX books downloaded with v2.4.0 Kindle for PC will be saved in AZW format. While the KFX books downloaded with Kindle device will be saved in KFX format. When adding Kindle books to your Calibre library, make sure you know where they’re stored on your computer. If you downloaded them using Kindle for PC, you’ll find them in the “My Kindle Content” folder—add the files from there.
To decrypt Kindle books using a pre-2024 Kindle eInk device, connect it to your computer via USB and add the downloaded books to your Calibre library.
Once the books are added, check their file format in Calibre:
If the format is shown as KFX, the DRM has been successfully removed.
If the format is KFX-ZIP, the books are still DRM-protected. To ensure 100% successful DRM removal from KFX files, make sure the KFX book is fully downloaded on your Kindle.
Step 5Convert KFX to EPUB/PDF/MOBI/TXT
Click Convert books in the tool bar and choose EPUB or MOBI/PDF/AZW3/TXT/DOCX... as the output format and click OK to start the conversion.
The book will have two formats for you to choose from after the conversion.
2. How to Convert Kindle KFX to EPUB/PDF/MOBI with Paid Software
Epubor Ultimate is a powerful tool designed to effortlessly remove KFX DRM while offering seamless conversion capabilities for ebooks into various formats such as EPUB, PDF, MOBI, AZW3, DOCX, and TXT.
Step 1Download and install Epubor Ultimate
Step 2Download Kindle Books
The latest Epubor Ultimate now supports Kindle for PC v2.8.0. First, download and install this version, then log in to your Amazon account and start downloading your Kindle books.
Download Kindle for PC 2.8.0 here
How to Remove Kindle DRM on Mac(Updated 2025/8/29):
Mac users can remove Kindle DRM using Kindled eInk device, Epubor Ultimate, or Epubor Kindle Converter by following this guide.
Step 3Remove KFX DRM
Launch Epubor Ultimate, your Kindle books, downloaded via Kindle for PC, will be automatically imported and displayed under the Kindle tab. Alternatively, use the "Kindle" tab in the toolbar to auto-detect newly downloaded Kindle books. Select book titles on the left side bar and drag & drop them to the window on the right to remove KFX DRM.
Kindle DeDRM Solution for Mac Users: View this guide to remove Kindle DRM on Mac.
Step 4Convert Kindle KFX to EPUB/PDF/AZW3/MOBI/TXT
Choose PDF/EPUB/MOBI/TXT/AZW3 as the output format from the drop-down menu, then click the "Convert" button to initiate the conversion process.
After the conversion process is complete, you can find the converted files by clicking on the "Decrypted" label next to the book title or the folder icon on the lower right corner of the software.
For more intuitive instructions, here is a video tutorial:
3. Calibre VS. Paid Solution
Calibre is a free, open-source ebook manager with a DeDRM plugin, but it requires manual setup and can be tricky for beginners. Epubor Ultimate, though paid, is easier: no plugins needed, supports KFX from Kindle e-Ink devices, auto-detects Kindle books, works with the latest Kindle for PC v2.8.0, and offers a 30-day money-back guarantee.
Conclusion
When comparing Calibre and Epubor Ultimate, both tools have their own advantages. However, Epubor Ultimate is more efficient and convenient for removing KFX DRM and converting them to other ebook formats. If you are not tech-savvy, we strongly recommend using Epubor Ultimate, as it allows you to solve the problem smoothly.
Amy Lopez crafts informative articles on eBooks and eReaders, uncovering optimal methods to enhance your eBook reading experience, and eagerly shares her findings with you.
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I don't see any new Plug-Ins:
-De-DRM is 7.2.1 from 2022
-KFX-Input is 1.50.0 also 2022
Neither of them work to convert KFX files.
It would appear that Amazon are now checking the Kindle for PC version. I have a book from 2023 and it will not download into my KfPC V1.17.
J Howell states somewhere that he has still cracked KFX conversion.
Any chance in the near future of sorting out KFX conversion in Calibre?
Hello,
For the ebooks published in 2023, here are 2 solutions to solve this problem:
1.If you have any Kindle device (kindle fire or kindle e-ink device) registered with your Amazon account.
Please download the Kindle books via "download and transfer via USB" and then remove kindle drm with epubor ultimate.
Here is the detailed guide: https://www.epubor.com/how-to-remove-drm-from-kindle-kfx-ebooks.html#meth4
2. If you don't have a Kindle e-ink device, we recommend our new product Kindle Converter to decrypt and convert the Kindle books published in 2023. please learn more here:https://www.epubor.com/kindle-converter.html
User guide: https://www.epubor.com/kindle-converter-user-guide.html
Same here, with Calibre 6.0.0
cannot convert because of DRM.
the 2 extensions are installed
Hello,
Yes after Kindle desktop v1.25 and firmware 5.10.2 released, amazon kindle changed their drm scheme technology, which results in drm removing failed.
You'd better downgrade your Kindle for PC/Mac to 1.24(1.23) and STOP auto-update.
Then, use either Epubor or Calibre to help you.
Hello,
I have followed the process above. However, when I am going to convert the file kindle, I received the message " cannot covert the ...." This book is locked by DRM...
What did I do wrong?
ps: I had downloaded the last versions of DeDRM_tools and KFX Conversion Input Plugin.
I am going to enrol a Master and most of the books are in Kindle format.
Thank for your help.
Have a nice day!
For me, 2.24 version didn't work. I tried 1.17 version, the file was automatically shown in Calibre as AZW instead of KFX-ZIP. Though I had to disable my Windows Defender Firewall and Security Software to be able to successfully download DeDRM 6.8, KFX and Kindle 1.17 version. Now, I’m a happy camper… Enjoy
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Please help. When i tried to install DRM tools this message i got :
calibre, version 5.2.0
ERROR: Unhandled exception: <b>SyntaxError</b>:invalid syntax (calibre_plugins.dedrm.__init__, line 168)
calibre 5.2 embedded-python: True is64bit: True
macOS-10.15.7-x86_64-i386-64bit Darwin ('64bit', '')
('Darwin', '19.6.0', 'Darwin Kernel Version 19.6.0: Mon Aug 31 22:12:52 PDT 2020; root:xnu-6153.141.2~1/RELEASE_X86_64')
Python 3.8.5
OSX: ('10.15.7', ('', '', ''), 'x86_64')
Interface language: None
Successfully initialized third party plugins: Gather KFX-ZIP (from KFX Input) (1, 34, 0) && Package KFX (from KFX Input) (1, 34, 0) && KFX metadata reader (from KFX Input) (1, 34, 0) && KFX Input (1, 34, 0) && Set KFX metadata (from KFX Output) (1, 44, 0) && KFX Output (1, 44, 0) && Obok DeDRM (6, 7, 0)
Traceback (most recent call last):
File "calibre/gui2/preferences/plugins.py", line 317, in add_plugin
File "calibre/customize/ui.py", line 472, in add_plugin
File "calibre/customize/ui.py", line 61, in load_plugin
File "calibre/customize/zipplugin.py", line 282, in load
File "importlib/__init__.py", line 127, in import_module
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
File "calibre/customize/zipplugin.py", line 174, in exec_module
File "calibre/customize/zipplugin.py", line 170, in get_code
File "calibre_plugins.dedrm.__init__", line 168
print u" v: Copying needed library files from plugin's zip".format(PLUGIN_NAME, PLUGIN_VERSION)
^
SyntaxError: invalid syntax
I downloaded the DeDRM Calibre Plugin and KFX Conversion Input Plugin, and installed them to Calibre. I'm running Calibre 3.30
I downloaded a Kindle Book (using Kindle 1.26.1), and located the .AZW file.
When added to Calibre, the book cover now appears, and the format is KFX-ZIP. When I try to convert to ePub, I get an error that the book contains DRM and cannot be converted.
What am I missing? Thanks!!
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https://www.epubor.com/remove-kindle-drm-on-macos-1015-catalina.html
https://www.epubor.com/patch-kindle-for-mac-on-mac-catalina.html
"A terrific good news for loyal Calibre users is last week Apprentice Alf released a new version of the DeDRM tools with added support for KFX format, so now you can easily import KFX books to Calibre to remove KFX DRM in order to create backups and convert them to other formats."
The link to the dedrm tool on this page references 7.21 from 2021 and does not include kfx, despite the blurb.
This applies to books from Kindle Unlimited
The DeDRM tools with added support for KFX format is NOT working in Calibre with new books from Kindle Unlimited. It will not strip the DRM.
Epubor Ultimate is also not working. When downgrading from version 1.35, you cannot save the book into your Kindle for PC anymore. Will there be upgrade or they already win? :-)
"for now there is no way to decrypt the kindle for pc 1.35..."
well why did I pay for Epubor Ultimate and now have no way of removing drm from my existing books because it tells me that it will no longer download my books that I am purchasing unless I use a newer version of Kindle for pc?
kindle for pc is up to v1.36 and you still have not found a workaround?
Hello, thanks for your comment. Don't worry, luckily we have researched a new method to solve this problem. Once the new solution is launched, we'll inform you as soon as possible, please keep an eye on the updated information from our website.
Any other questions, please feel free to contact us.
Best regards,
Epubor Team
The link to the KFX plugin in your page did not work, it brings you to a page that says "invalid attachment"
I tried to download it somewhere else. And did download some KFX input plugin, but when I tried to import it into calibre there was no plugin at all that I could upload. I could not find any workable one. I am using Mac I don't know if it has something to do with it.
I would be happy for some help. Best regards
Hello, thanks for your comment. We've updated the link to download the KFX input plugin in this article. Please download the files from the correct place. As for Mac, please open Calibre's Preferences dialog at the top. Then click on "Preferences". Next, click on the green button of plugins at the bottom. Then blue Load plugin from the file button at the right bottom to upload the plugin files you downloaded.
Please try again, if there is still the same problem, please feel free to contact us via support@epubor.com. Thank you!
Hello, thanks for your comment.
If you can't remove drm with Calibre, please try our Epubor Ultimate, it allows you to decrypt and convert your Kindle books.
Any other question, please feel free to contact us via support@epubor.com.
Best regards,
Epubor Team
Tried updating my issue but the links in your email do not work but it did unsubscribe me from the list - thanks for that(!) {shame that was NOT what I wanted to do)
anyway, updated kfx-import as already had the up to date dedrm, works better but still have 87 books it won't convert (they are kfx.zip but so where the ones it did convert)- of course in those 87 are the ones I really want to convert as callibre won't open them to read either and kindle seems to have stopped their app opening unless you pay monthly for their unlimited (not gonna happen) and get the new version.