Calibre

Calibre simplifies your digital reading life. This powerful ebook manager lets you organize, view, and convert your entire collection with ease. It works everywhere and with any device, supporting a vast range of ebook formats. Beyond management, you can download fresh content from the web, edit your books, and effortlessly share or backup your library. As a completely free and open-source application, Calibre is praised as a must-have tool that saves time and delivers a comprehensive suite of features for every type of user.