How to Remove DRM From AZW3 eBook Files

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AZW3 is the format of Kindle eBooks purchased from Amazon Store. Usually, if a Kindle user plug his Kindle to computer to check the files, most of the purchased eBooks will be saved in AZW3 format.

But if you directly copy and paste those AZW3 file to your computer and want to share them with others or convert to EPUB/PDF, you are not able to do this because these AZW3 files are still protected by Kindle DRM.

And even if you import these files into Kindle DRM decryption software, you may still fail to remove DRM from the AZW3 files. And this article aims at introducing you the correct way to remove DRM from AZW3 files. (Note: This guide is only for AZW3 files exported from Kindle e-Readers)

Update on 2/13/2015: The latest version of Epubor softwares is able to auto-analyse your Kindle's serial number, you need not to manually input it anymore. Click here to jump to specific part.

Update on 3/27/2015: To provide better content and solution, we published a comprehensive post about remove Kindle DRM from PC/Mac client, Kindle device, and Kindle Android App. All content in this article is included in that post. Click here to read the all-in-one post.

Update on 9/10/2015: Considering there are some people would not like to install a software on a computer, we provide you this online service, help you remove drm from azw3 books online.

Remove DRM from AZW3 eBooks

1Get the tool ready

To remove AZW3 files DRM, you only need one program: the Kindle DRM Removal. No need for Kindle desktop application. Click the buttons below to directly download the tool then install it.

Windows Version Download Mac Version Download

2Find the serial number of your Kindle device

Open web browser and visit Amazon official site then login, navigate to "Manage Your Kindle" page.

Look at the left column and find "Manage Your Devices", click it you will see all your registered Kindle devices and apps in the main part of the web page.

find kindle serial number

Choose the correct device which you export the AZW3 files from then you can get the details below, including device type and serial number. This is what we need.

3Load the AZW3 files into Kindle DRM Removal

Run Kindle DRM Removal, then directly drag the AZW3 files from the Kindle storage.

import azw3 files

4Show the Magic

Here is the key-step, don't click "Remove DRM" button at the step. Instead, please click "Setup" at first and you will see the information below.

input kindle serial number

Click "Use Kindle Serial Number (or PIDs)" and input your Kindle's serial number in the blank, we've already got the number in step 2. And please delete the space between each group of digits.

Click "OK" to confirm the setting and here comes the last step, "Remove DRM".

remove DRM from azw3 books

Update: No need to input KSN with new version Kindle DRM Removal

This easier method works with Epubor Kindle DRM Removla v and later.

1Connect Kindle to computer with USB cable

Our program will detect your connected Kindle, then you will see your Kindle displayed in the rightside column with Kindle's model name. And all the books saved in your Kindle are listed below.

2Directly drag the books from rightside column into leftside main window

Then these books will be automatically decrypted with the KSN we find on your Kindle. And all the decrypted books will save in computer's hard drive. No harm to Kindle device or the books saved in Kindle.

Attention: In this way, please do not manually input any KSN digit in program's preferences settings. If you input wrong KSN, the program may fail to remove DRM.

Now all your DRM AZW3 files are decrypted successfully, you can share them with your friends, print them, or convert to other formats as you want.

If have any problem in removing DRM from AZW3 files, feel free to open a ticket at http://ticket.epubor.com, our technical service staff will help you for free.

Online remove DRM from AZW3 books

Congratulations! From now on you can remove drm from your Kindle AZW3 books online. It's free!

But this demands you had an e-ink Kindle device already, becuase its job is based on your Kindle KSN.

remove drm from azw3 online

As what this image shows above, it's very easy to use, and no ads. For more details please visit this site online Kindle drm removal.



joined Epubor since 2011, loves everything about eBooks and eReaders. He seeks the methods to read eBooks more freely and wants to share all he has got with you.

06/28/2014 17:16:59

I've tried everything the internet told me to, and still I cannot purge this horrendous DRM from some books my husband bought for me, but innocently downloaded to his account.

This Epubor almost helped me, but when I insert my kindle serial number, it says it's wrong - but I am inserting the numbers as they appear on the device and on my amazon account as well... if you guys know what could possibly be the problem, please contact me. I am so frustrated that I cannot read the books my husband gave me as gifts because of the narrow-mindedness of these enfuriating companies.

Thank you very much.


06/30/2014 03:13:04

Just to make sure: You entered the Kindle's serial number without any blanks? Because on the website as well as in the device's menu it appears divided into groups of four digits separated by blank characters. The Un-DRM software on the other hand needs the serial number as just one sequence of characters/digits without any separation...

Try again!

12/15/2014 22:58:12
Doesn't work for me either. I entered my serial number with comma's as separators and with no space or comma's (One line of characters) and it failed. No idea what to do next
12/23/2014 20:25:24

Hi John,

A Kindle Serial Number is 16 digits with number and characters, like A1B2 C3D4 E5F6 G7H8

Then you just input the KSN as A1B2C3D4E5F6G7H8

However, you can try our latest version program, it support directly reads KSN from Kindle, no need to input the KSN manually anymore.

If have further problem, please open a ticket at ticket.epubor.com

12/22/2014 22:18:49
I just paid for the upgrade and tried running the decryption and all of the e-books were moved to the "decrypted" folder still fully encrypted. My serial number is entered correctly, I followed all of the steps on the website, and still it doesn't work. Looks like I'll need to request a refund and find another decrypting software that actually works.
12/23/2014 20:12:48

Hi Paul,

Our customer service staff has contacted you via email with the solution, please check it.

04/25/2015 11:14:22
This software is a joke. Doesn't work.
09/7/2017 01:46:00
Worked great! Too bad it's only a free trial.
09/11/2017 15:41:48
We are glad to know it works for you.
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