Important notice:
Unfortunately, all Kindle books downloaded via Kindle for PC version 2.4.1 or higher are now in a KFX-ZIP format, which cannot be decrypted using the Calibre DeDRM plugin and KFX Input plugin. Additionally, Amazon no longer supports Kindle for Mac 1.40 (previously recommended to work with Calibre).
Solution:
• For Windows users: Downgrade Kindle for PC to version 2.4.0 and re-download your Kindle books to remove DRM. For detailed instructions, refer to this step-by-step guide remove Kindle DRM on Windows.
• For Mac users: Now this is only way to remove Kindle DRM on Mac is using the Kindle eink device to download your books. For detailed instructions, refer to this step-by-step guide to remove Kindle DRM on Mac.Important: Both Windows and Mac users can decrypt Kindle books by using a Kindle e-ink device.
The only reason why some people prefer to run the older version of Kindle for PC/Mac (1.17 and lower) is that they want to get rid of the new KFX format files which can’t be decrypted by any DRM Removal. Fortunately, there are several methods for either avoiding or handling the KFX format. Here are the top three solutions to help you deal with the new Kindle update and remove Kindle DRM effortlessly.
If your Kindle for PC/Mac is forced to update to the latest version, you can perform the following steps:
Method 1: Disable KFX Support in Kindle for PC/Mac
Using the command line to disable KFX that works with the latest version of Kindle for PC/Mac is the easiest solution without neither downgrading Kindle desktop app nor using Kindle e-ink device. Most importantly, it works on all operation systems, including the MacOS Catalina.
Step 1Download the latest Kindle app on your computer.
Currently, the latest version is version 1.32.
If you have already registered the latest Kindle app on your computer, deregister it first and sign in again.
If your Kindle app is not the latest version, you can download version 1.32 Kindle for PC here and register it.
Do not start downloading Kindle books. And make sure there are zero files under the Downloaded column in your Kindle library.
Step 2Run the command line.
Exit Kindle for PC/Mac first, then run the command line. Below is the instruction on how to use the command line on Windows computer and Mac respectively.
For Windows users, download this zip containing the Kindle.cmd file to your Windows computer, then unzip and run the Kindle.cmd file.
Notice: Running the kindle.cmd file will execute Kindle app automatically.
For Mac users, open a terminal window by typing terminal after clicking the magnifier icon on the upper right corner of the screen, then copy and paste this command line: sudo chmod -x /Applications/Kindle.app/Contents/MacOS/renderer-test to the terminal window for disabling KFX support. Next, hit the Enter key, input your power-on password, and hit the Enter key one more time to run the command line.
The command line solution will no longer work on version 1.32 and later Kindle for Mac. For macOS users, please follow this detailed step-by-step guide to remove Kindle DRM instead.
Step 3Start downloading Kindle books with the latest Kindle app
Open Kindle for PC/Mac, find the book you want to download, right-click its book cover, and select Download in the pop-up window.
For Mac users, do not download Kindle books by double-clicking the book cover and remember not to open the book after successfully downloading, or you won’t be able to remove Kindle DRM.
Note 2 You can undo the terminal command by running this command line in your terminal window: sudo chmod +x /Applications/Kindle.app/Contents/MacOS/renderer-test.
Note 3 If the book requires both the latest version of Kindle for PC/Mac and KFX support, then there is currently no solution available.
Step 4Install the most powerful DRM Removal to your computer -- Epubor Ultimate
Step 5Remove Kindle DRM
Launch Epubor Ultimate, click the Kindle tab in the left navigation bar to load all of your Kindle books that are already downloaded to the software. Then drag them to the right blank window to remove DRM automatically.
If your Kindle books do not appear under the Kindle tab, you need to go to settings >> Kindle >> Click Set to default directory >> OK. Then all of your Kindle books will show up on the left side panel of Epubor Ultimate.
You will notice that the majority of Kindle books downloaded in this way are already DRM free. And you can locate the DRM free files by clicking the book folder icon on the lower right corner of the software.
Method 2: Downgrade automatically to an Older Version of Kindle for PC/Mac
There is an alternate method of blocking the use of KFX, which is downgrading Kindle for PC/Mac.
Older Kindle for PC/Mac, like version 1.17 and lower, can be installed to work around this problem for most users. (This is a 32-bit program and so it is not compatible with macOS Catalina.) For macOS Catalina users, you can crack Kindle DRM by using the command line or Kindle e-ink device, see Method 1 & Method 3.
Step 1Install Epubor Ultimate to your computer.
Run Epubor Ultimate, click the Kindle tab in the left sidebar. You will notice a message reminding you to downgrade Kindle for PC/Mac to version 1.17 to make Epubor Ultimate work. Just click the Download link to start the auto downgrade.
Note: After installing the older version Kindle for PC/Mac to your computer, it will uncheck the option to auto-update for you.
Step 2Sign-in to your Amazon account.
Launch Kindle for PC/Mac, you need to re-sign into your Amazon account. After logging in to your account, you might be asked if you want to update to the new version, always choose Skip this version to reject it.
Step 3Re-download Kindle books with the older version Kindle for PC/Mac.
Step 4Remove Kindle DRM.
Launch Epubor Ultimate, click the Kindle tab in the left navigation bar to load Kindle books to the software. Then add them to the right blank window to remove Kindle DRM.
Step 5Convert DRM free Kindle books to .epub/.mobi/.azw3/.pdf if you want to view Kindle books on other readers(like calibre).
When the decryption complete, choose .epub/.mobi/.azw3/.pdf as the output folder in the drop-down menu at the bottom of the software. Last but not the least, press the Convert button to start the conversion.
You can find the converted Kindle book by clicking Succeeded or the book folder icon on the lower right corner of the software.
Method 3: Use Kindle e-ink Device
If you have a Kindle e-ink device registered to your Amazon account, you will have the option of downloading books directly from Amazon website instead of using Kindle for PC/Mac.
Step 1From the Amazon website access Account & Lists >> Content and Devices.
Step 2Find a book you want to remove DRM and press the More actions button to the right side of that book.
Step 3Choose Download & transfer via USB in the drop-down menu.
Step 4Tick the name of your registered Kindle e-ink device in the pop-up window and press the Download button.
Soon your Kindle book will start downloading to your computer. And all of them will be saved as .azw3 files.
Step 5Install the most powerful DRM Removal to your computer--Epubor Ultimate.
Step 6Plug in your Kindle e-ink device to your computer.
You will not be able to remove Kindle DRM if you forget to plug in your Kindle e-ink device.
Update: Since April 2023, Epubor Ultimate supports Kindle Fire tablets as well. And Epubor software can automatically detect the serial number by just plugging your Kindle Fire device into your computer. Of course, you can also enter the serial number manually by going to Settings > Kindle > Enter the serial number > OK, next, you are able to remove DRM from your AZW3 files downloaded via USB.
Step 7Remove Kindle DRM.
Run Epubor Ultimate, drag and drop the .azw3 files from your computer to the software to remove Kindle DRM. As shown, not all books are encrypted. Decrypted word will show up to the right of those Kindle books with DRM protection after the decryption. And you can find DRM free files by clicking Decrypted or the book folder icon on the lower right corner of the software.
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.
I went searching myself for this this week and I found that method two and three did not work at least not for me. I have not tried method one yet.
I did however go to the website and went to content and downloaded there and then converted.
Just thought I would share that option for others. Thanks!
Also, if you have any better method, please kindly share it here.
Have a nice day.
Thanks very much Hillary and the whole Epubor team!
Method 1 worked great on my mac.
I was disappointed when I saw a couple of months ago that the latest Kindle update had thwarted Epubor, but I optimistic that you'd crack that soon, which you have.
I use Epubor mainly for academic books relevant to my work. I listen to many of them (commuting, walking etc.) using a text to voice app which is really good, but that app needs pdfs, not stupid restricted DRMed files. I don't hand the pdfs out, I don't upload them for pirating, all I need is to turn the books I spend money on to be in the format I can most easily actually read them.
So thanks again Epubor, love your work!
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Anyway, if you have purchased kcr converter, please contact our customer support (support@epubor.com) to request the software exchange. They can help you change you license to Ultimate.
Any more problem, please feel free to contact us. Have a nice day.
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Hello !
How do we disable KFX?
The zip file URL is invalid as mentioned in Method 1
Method 1: Disable KFX Support in Kindle for PC/Mac
Any more problem, please feel free to contact us.
Any more problem, please feel free to contact us.
Method 1 is quite challenging, you need to enter the Kindle Serial Number in the DrDRM Plugin and some sort of key, but both didn't finally make it work for me.
Method 3 was brilliant, a bit of a nuissance that I had to download all my 190 eBooks indivdually from the Amazon content page, but copying into Calibre, converting to ePub and uploading to my ReMarkable 2 worked like a flash. Cool. Thanks for all the hints!
And usually, the textbook and some books ( very few) will require the latest version of kindle app.
Hi Everyone, I manage to get it all working and well.
First, download epubor ultimate and set-up and get a license to support the company! :) I am using Epubor ultimate 3.0.13.719 at the time of this writing.
Second, download Kindle for PC (win-10, i tried it with ver 1.32.0(6119)) and register with my amazon account as per guide above. you can refresh and see your books, but please don't download any books.
Then download kfx_begone command prompt tool - https://epubor.com/how-to-deal-with-the-new-kindle-update.html#method1
- VERY IMPORTANT TO NOTE:
a) make sure kindle app is closed before running the tool. Reason being, the tool will execute Kindle app in a peculiar method, and allow you to download the ebooks you purchased.
b) run command prompt with/as administrator mode
c) i ran it, with lots of error messages, but eventually, the kindle app loads and the command prompt batch process paused. It typically require 20-40 seconds before it pauses and kindle app loads.
Once kindle app is launched using the command prompt launch method, you can download the books you want to unlock DRM.
Then finally, launch epubor ultimate, go to kindle tab, and drag the books you want to free DRM.
that's it!
I spent hours figuring things out, i thought the old kindle app refresh (auto-downgrade) was related to my Win10, ran Virtualbox VM and nope, its not related to PC, rather its the Amazon sign-in page that has been 'changed'.
hope this helps you guys! now i can free up DRM on my kindle books and read with Google Books! Yeay!!!
Thanks for the kindle.cmd file. One thing I discovered is that this file assumes you've installed the Kindle PC program in an administrator account. If you install the Kindle PC program in a non-administrator account, which you should be using if you're on the web, the kindle.cmd file doesn't work. It looks for a Kindle program that's not there. Once I installed everything in my administrator account, everything worked properly, but it means I have to log-in to that account if I want to use Epubor Ultimate to remove DRM from Kindle ebooks.
Most people run Windows from the account they set up when they first get their computers. That account is usually an Administrator account. Ideally they should create a non-administrator account and do everything from there. Studies show that you can eliminate up to 94% of all vulnerabilities if you run Windows that way instead of the default way.
Yes!
Use method 3!
Kindle v 1.32 (the one epubor wants me to downgrade to) will not work :( It says the kndle app needs an update to even download the book. I followed all instructions and installed script files and it will not remove it at all :(
Tried the Mac and win version of epubor FYI.
Guess Amazon figured out how to stop you guys :(
Any fix in the works? or is the only way now the USB method with an actual Kindle device?
Thanks!
Matt
We are now working on this issue. Once there is a solution, we will let you know.
With #1, I still receive a pop-up from Kindle asking to upgrade in order to DL the book.
With #2, after DL'ing the book, Epubor still gives me a pop-up which says it cannot decode KFX format. I do have screen shots of each of the error pop-up screens, but I don't know how to post them here.
I do not have a kindle device, so #3 won't work for me.
I have a Kobo H20 and I love it and do not want to be forced against my will to change! It really pisses me off! I hate Apple and I hate Amazon and all of those other businesses that think they own things after I pay for them! The damn book is mine and I should be able to read it on any device I want. I really need to get this figured out. I paid for the Epubor software and now it is useless.
Still having issues. It has been about 2 1/2 months. Any status? Waiting patiently.
Hello,
In this case, I 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
If there are any other questions, please feel free to contact us.
Best regards,
Epubor team
This new Kindle update problem is a little bit complicated. We're trying our best to find the best solution, don't worry, once we solve this problem, we'll inform you via email. Thank you so much.
Thanks for contacting me. Did you use the latest Epubor Ultimate version? Could you please describe what problems you have when you try these three methods and send a screenshot of the errors via support@epubor.com, we're willing to help you solve this problem. Thank you.
Thanks for your comment. I'm glad that this article can help you!
The above info is out of date.
The latest version of download for PC is 1.40.65535, and the new book download format is .mbp
I am hesitant to download this new version. Does the KFX killer approach work with this new version & format?
Hello,
Thanks for your comment. MBP files just contain the e-book notes, and they don't contain the e-book itself. If you can download the books with an mbp file, please find the file of the book itself in the folder, then remove DRM and convert the format to what you need.
If there are any other questions, please feel free to contact us.
Best regards,
Epubor Team
So do not buy EPUBOR.
Hello, thanks for your comment.
Don't worry, we have great progress on this issue, and the next new version of Epubor Ultimate will let you decrypt your new 2023 Kindle books downloaded via the latest version of the Kindle app. But I'm not sure when it will be released, please wait with patience.
For the ebooks published in 2023, it requires the latest Kindle app to download them, 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 Kindle device, I suggest you use our Kindle Converter software. And you can test your books with the trial version, which allows you to decrypt 3 books for free. Here is the user guide:
https://epubor.com/kindle-converter-user-guide.html
Any other questions or concerns, please feel free to contact us via support@epubor.com.
Best regards,
Epubor Team
1. Now whenever kindle for pc appln. is opened, it updates automatically to version 2.4.1 even if you have not opted for auto-upload. This version doesn't allow DRM removal. Hence, one has to repeatedly uninstall version 2.4.1 and install version 2.4.0 whenever DRM removal is required,.
2. The option of Download and Transfer via USB is not available for Kindle Unlimited.
Thus internet is to be turned off before clicking on installer file initially and subsequently whenever kindle for PC is to be opened.