DRM Removal Tools for eBooks

Version 6.6.1 released on 2 June, 2018

Welcome to Apprentice Alf’s blog

This blog is intended to help anyone looking for free and simple software for removing DRM from their Kindle ebooks, stripping DRM from their Adobe Digital Editions ebooks, getting rid of DRM from their Barnes and Noble ebooks, freeing their Kobo ebooks of DRM, or decrypting their Fictionwise eReader ebooks.

If you want to find out more about ebooks, DRM and why you will probably want to remove the DRM from your ebooks, see this post:  Ebook Formats, DRM and You — A Guide for the Perplexed.

If you already know that you want to strip the DRM from your ebooks, you’ve found the right place.

The Tools

To get started on removing DRM from your ebooks, just download the tools archive from the link below. Unzip the archive, and start reading.

The latest release can be found at the top of this page:
https://github.com/apprenticeharper/DeDRM_tools/releases

Getting Help with the Tools

If you have any questions about the tools, ebooks, and DRM, check the FAQs at the GitHub repository:
https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md

If you have any problems with the current tools, please ask for help in a comment on this post or open a new issue at the GitHub repository. If you are having a problem with an older version of the tools, please first update to the current version, and see if that solves your problem.

Before commenting here, please check the ReadMe file and the FAQs (see link above).

In any bug report or help request, please include:

  • which tool was used
  • which OS you are using
  • where the ebook file came from (device or application)
  • any error messages
  • a log of the DRM-removal attempt (see the FAQs on how to get a log).

Anti-Piracy Notice

Please only use these tools for gaining full access to your own ebooks for archiving/conversion/convenience. De-drmed ebooks should not be uploaded to open servers, torrents, or other methods of mass distribution. No help will be given to people doing such things. Authors, retailers and publishers all need to make a living, so that they can continue to produce books for us to read. Don’t be a parasite.

Origin of the Tools

The tools for removing DRM from ePubs were originally posted at i♥cabbages’ blog. The tools for Kindle/Mobipocket were originally posted at The Dark Reverser’s blog.

They have since been improved by many people, but mostly some_updates, DiapDealer, Apprentice Alf, and Apprentice Harper. While there are many sites that redistribute these tools, the most up-to-date versions of the tools are currently released here.

Other Sources

Anyone trying to sell you ebook DRM removal tools for Adobe Adept ePub and PDFs, Barnes & Noble ePubs, Kindle ebooks, Kobo ebooks, or eReader ebooks has probably just repackaged (an earlier) version of the tools available here.

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5,069 thoughts on “DRM Removal Tools for eBooks

  1. Hello, I’ve been using the drag and drop De-DRM for windows successfully since 2017. Suddenly it has stopped working. I’ve downloaded the latest tools but the new version isn’t working either. I haven’t changed anything. I’ve downloaded the latest version of the tools and the latest version of Python but it hasn’t helped. The bat file won’t open at all. Can you please suggest some help?

  2. I appreciate you making this terrific tool! It’s worked for me in the past (over a year ago), but I seem to be having trouble now that I’ve downloaded a newer version. Thanks in advance for any advice you can offer.

    I downloaded the book from Amazon’s “Manage content and devices” page.

    calibre Debug log
    calibre 3.37 [64bit] embedded-python: True is64bit: True
    Windows-10-10.0.17134-SP0 Windows (’64bit’, ‘WindowsPE’)
    (‘Windows’, ’10’, ‘10.0.17134’)
    Python 2.7.12+
    Windows: (’10’, ‘10.0.17134’, ‘SP0′, u’Multiprocessor Free’)
    Interface language: None
    Successfully initialized third party plugins: DeDRM (6, 6, 0)
    calibre 3.37 [64bit] embedded-python: True is64bit: True
    Windows-10-10.0.17134-SP0 Windows (’64bit’, ‘WindowsPE’)
    (‘Windows’, ’10’, ‘10.0.17134’)
    Python 2.7.12+
    Windows: (’10’, ‘10.0.17134’, ‘SP0′, u’Multiprocessor Free’)
    Interface language: None
    Successfully initialized third party plugins: DeDRM (6, 6, 0)
    Turning on automatic hidpi scaling
    devicePixelRatio: 2.0
    logicalDpi: 72.0 x 72.0
    physicalDpi: 80.3426688633 x 79.5130434783
    Using calibre Qt style: True
    [0.00] Starting up…
    [0.00] Showing splash screen…
    [0.05] splash screen shown
    [0.05] Initializing db…
    [0.08] db initialized
    [0.08] Constructing main UI…
    [0.83] main UI initialized…
    [0.83] Hiding splash screen
    [5.50] splash screen hidden
    [5.50] Started up in 5.50 seconds with 520 books
    stdout+stderr from file dialog helper: [”, ”]
    piped data from file dialog helper: [‘\x18\xe6\x1e!\xf8H\x9a4J\xa92\xe3Y\xe1\xacd&\xcc\xea\xec\xeb\x9a\nF\\xc8\xa4\x95\x80VI9’, “C:\Users\Drake\Downloads\Lord Foul’s Bane (THE CHRONICLES OF THOMAS COVENANT THE UNBELIEVER Book 1) (1).azw3”]
    DeDRM v6.6.0: Trying to decrypt Lord Foul’s Bane (THE CHRONICLES OF THOMAS COVENANT THE UNBELIEVER Book 1) (1).azw3
    Using Library AlfCrypto Python
    MobiDeDrm v0.42.
    Copyright © 2008-2017 The Dark Reverser, Apprentice Harper et al.
    Decrypting Kindle Format 8 ebook: Lord Foul’s Bane (THE CHRONICLES OF THOMAS COVENANT THE UNBELIEVER Book 1)
    Got DSN key from database default_key
    Found 4 keys to try after 0.0 seconds
    Crypto Type is: 2
    DeDRM v6.6.0: Failed to decrypt with error: No key found in 4 keys tried.
    DeDRM v6.6.0: Looking for new default Kindle Key after 0.0 seconds
    searching for kinfoFiles in C:\Users\Drake\AppData\Local
    Found K4PC 1.9+ kinf2011 file: C:\Users\Drake\AppData\Local\Amazon\Kindle\storage.kinf2011
    Decrypted key file using IDString ‘2426439641’ and UserName ‘4472616b65’
    DeDRM v6.6.0: Found 1 new key
    MobiDeDrm v0.42.
    Copyright © 2008-2017 The Dark Reverser, Apprentice Harper et al.
    Decrypting Kindle Format 8 ebook: Lord Foul’s Bane (THE CHRONICLES OF THOMAS COVENANT THE UNBELIEVER Book 1)
    Got DSN key from database default_key_1
    Found 4 keys to try after 0.1 seconds
    Crypto Type is: 2
    DeDRM v6.6.0: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper’s repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
    Running file type plugin DeDRM failed with traceback:
    Traceback (most recent call last):
    File “site-packages\calibre\customize\ui.py”, line 172, in _run_filetype_plugins
    File “calibre_plugins.dedrm.init“, line 620, in run
    File “calibre_plugins.dedrm.init“, line 570, in KindleMobiDecrypt
    DeDRMError: DeDRM v6.6.0: Ultimately failed to decrypt after 0.1 seconds. Read the FAQs at Harper’s repository: https://github.com/apprenticeharper/DeDRM_tools/blob/master/FAQs.md
    Added Lord Foul’s Bane (THE CHRONICLES OF THOMAS COVENANT THE UNBELIEVER Book 1) to db in: 0.1
    Added 1 books in 0.6 seconds
    Worker Launch took: 0.0840001106262

    • I recommend using the current version 6.6.1 of DeDRM. When downloading from the website, you need to choose an E-ink Kindle (not a Fire) and enter its serial number into the plugin customization.

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