Dedrm_plugin.zip [ Firefox ]

ElleKayEm commented. ... After you unzip DeDRM_tools_6. 7.0. zip, rename the unzipped folder something like "unzipped DeDRM tools"

: Removes protection from Kindle eBooks, Adobe Digital Editions (ADE) ePubs, Barnes & Noble ePubs, and older Mobipocket/eReader formats. DeDRM_plugin.zip

: DRM removal only happens at the moment a book is imported into calibre. It will not work on books already in your library unless you remove and re-import them. ElleKayEm commented