Calibre

Calibre is a free, open-source software tool designed to manage and organize e-books on your computer. It allows you to easily convert e-books into different formats, making them compatible with various e-readers. Calibre also helps you organize your library with customizable metadata, such as titles, authors, and cover images. Additionally, it can transfer books to your e-reader via USB or wireless connections and offers a built-in viewer for reading. Overall, Calibre streamlines the process of managing, converting, and accessing your digital book collection efficiently.