Just remove the AZW/PRC/Mobi/Topaz Kindle books DRM, no change on original files.
Epubor Kindle DRM Removal for Mac v.3.0.11.3 Epubor Kindle DRM Removal for Mac is a powerful software to remove DRM protections from all Kindle books on Mac with no quality losing.Read the ePUB books on iPad, iPhone, iTouch, Sony Reader, Android, Nook and any other e-readers. Epubor ePUB DRM Removal for Mac v.2.0.8.3 Epubor ePUB DRM Removal for Mac is a powerful software which can swiftly remove DRM protections from any ePUB eBooks protected by Adobe DRM protection.
SoundTaxi is very easy to install and use. Remove DRM from WMA v.3.6.5 Easily convert DRM protected and non-protected music files to unprotected iPod, MP3 or WAV formats.Remove DRM from WMV v.2.26 Remove DRM from WMV - the best WMV DRM remover as a DRM removal tool help you to remove DRM from WMV files easily! Features also as a quick video to audio converter, abstract audio tracks from DRM protected WMV & WMA files to unprotected WMA, MP3.