On Macintosh and Windows systems no customisation is required for ebooks from Kindle for Mac/PC, Nook Study, or Adobe Digital Editions (ADE), provided that calibre is run on the same computer and user account as the installation of Kindle for Mac/PC, Nook Study, or ADE to which the books were downloaded. Click on “OK”.Ĭustomising the plugin with encryption keys A “Success” dialog will appear, saying that the plug-in has been installed. Click on the “Yes” button in the “Are you sure?” warning dialog that appears.Click on the “Add” (sometimes “Open”) button.Select the DeDRM_plugin.zip file in that folder.

Navigate to the tools folder unzipped in step 2.Click on the large “Load plugin from file” button.Click on Plugins (under “Advanced”) - it looks like a jigsaw puzzle piece.(Do not click “Get plugins to enhance calibre”, that option is reserved for ‘official’ calibre plugins.) From the Preferences menu select “Change calibre behavior”. (On Windows, right-click and “Extract All…” After extracting all, rename the tools_vX.X.X.zip file to tools_zipped_vX.X.X.zip to prevent later confusion) Download the latest tools package, and unzip it.

For other kinds of ebooks see the other posts in this blog. The DeDRM plugin can remove DRM from Kindle eBooks (but not rented Kindle ebooks, books downloaded to a Kindle Fire, Kindle for iOS or the Windows Store Kindle App), Barnes & Noble ePub ebooks (but not books downloaded to the Windows Store Nook App), any ebooks using Adobe Digital Editions DRM (this includes ePubs from Kobo and Sony that are downloaded for Adobe Digital Editions), and the older Mobipocket and eReader ebooks. The DRM removal plugin (DeDRM_plugin.zip) can be found in the tools archive linked from the most recent post in this blog. The latest version can be downloaded from. To be able to use the DeDRM plugin for calibre, it is necessary to install calibre first. However, it is possible to added third-party software (‘plugins’) to enhance calibre. It is available for Windows, Mac OS X and Linux.Ĭalibre cannot, on its own, remove DRM from ebooks. Calibre is a free, open source, ebook management and conversion utility created and maintained by Kovid Goyal.

Calibre dedrm plugin mac