For Kindle for PC/Mac version 1.19 or greater the "My Kindle Content" folder will contain a sub-folder for each book, named with the ten character ASIN of the book followed by "_EBOK".First, the main KFX file for the book to be imported must be located: Importing KFX books into calibre for conversion:Īs an alternative, KFX books can be manually imported into calibre using the following procedure. Assistance with DRM removal will not be provided on the MobileRead forums. If you encounter problems with DRM removal ask for help at the site where you obtained the DRM removal plugin.
#Kindle drm removal 2021 android#
It will not work for books downloaded using other versions of that software or downloaded using the Kindle for iOS or Android apps.Ī book importing into calibre as KFX-ZIP format is usually an indication that DRM removal has failed. It is only possible for books downloaded using versions 1.19 through 1.26 of the Kindle for PC/Mac apps and versions 5.6.5 through 5.12.1 of e-ink Kindle device firmware. The differs from the DRM used with the older Kindle formats which has remained unchanged for many years.Įven with the DeDRM plugin installed, DRM removal for KFX format is only possible in specific limited situations. Each time that a solution for KFX DRM has been found Amazon has quickly changed to a new KFX DRM variant in order to block it. KFX DRM is actively maintained and updated by Amazon to keep it secure. See noDRM on GitHub for information on installing and configuring that plugin. Even books that the publisher has specified should not use DRM will be encrypted, although in that case the book will not be locked to a single device.Ĭonversion of books from KFX format is only possible if the DRM is removed by using the DeDRM Tools calibre plugin.
#Kindle drm removal 2021 install#
Install the KFX Input plugin and restart calibre as described in the Introduction to plugins thread.īooks delivered by Amazon in KFX format always contain DRM (Digital Rights Management) which encrypts the contents and prevents conversion by this plugin. Highlight the plugin named KPF Extract and press the Enable/disable button so that it is grayed out.) Do that by going to Preferences, Plugins, and clicking the arrow to expand the File Type category. If the contents of the book with edits included is desired, disable the KPF Extract file type plugin to import KPF files unchanged for conversion by this plugin. This DOCX file will not contain any edits made using Kindle Create. (Starting with calibre version 4.12, on import calibre will extract the embedded Word document from KPF files that contain one and import the file as DOCX instead of KPF. This plugin allows conversion of KPF, so that the author has greater control over the finished book. See "DRM Concerns" below for more information.Īmazon's Kindle Textbook Creator and Kindle Create software export books in KPF (Kindle Package Format), a variant of KFX.
Monolithic KFX can be converted to other formats using this plugin.ĭRM removal for KFX format is only possible in specific situations, limiting the usefulness of this plugin. Monolithic KFX can also be produced using the KFX Output plugin. See "Importing KFX books into calibre" below for instructions. This plugin will combine the individual files that make up a KFX book into a single file (monolithic KFX format) when a KFX book is successfully imported into calibre. KFX container files typically have a ".kfx" extension, though other extensions (".azw", ".azw8", and ".azw9") are used by some software. Those each contain only part of the book's content and cannot be converted individually. See the thread Dealing with Kindle for PC/Mac 1.19 and KFX in calibre for details.īooks in KFX format delivered by Amazon are a bundle of files composed of an encrypted main container, a metadata container, auxiliary containers (zero or more) and a DRM voucher. Some cases where KF8 is not available are Arabic, Indian and Traditional Chinese language books/dictionaries, books produced using Kindle Create, Kindle in Motion books with animation, Interactive Textbooks with A/V media, and some newer eTextbooks. This plugin has limited usefulness as long as KF8 is still easily obtainable. More information about the KFX format can be found in the KFX Format thread and the MobileRead Wiki (KFX).Īmazon's KF8 (azw3) format is superior to KFX as a source for conversion since it more closely matches the original format provided to Amazon by the publisher. It supports advanced features, including Enhanced Typesetting and Page Flip, on Amazon apps and devices. The plugin can convert from several KFX variants: Monolithic KFX, KFX-ZIP, or KPF.Īmazon uses KFX format for the delivery of most e-books to customers. The KFX Input plugin allows books in Amazon KFX format to be imported and converted to other e-book formats, such as EPUB, for archival and for reading on alternate devices.