calibre is a Windows utility for organizing a digital library. Flexible text processing tools are available. Additionally, users can work with electronic newspapers.

Adding books

After starting the application you are instructed to drag and drop text files into the workspace. Similar to Cool Reader, the input format will be detected automatically. Moreover, it is possible to import ZIP archives with multiple books without unpacking.

There is an option to create an empty book. Users can enter all metadata text fields manually. Instruments for adding content by ISBN are provided as well. An active internet connection is required for accessing this functionality.

Conversion process

You are able to transform digital books from one file format to another. Multiple profiles for various e-readers, tablets and smartphones are provided. There are tools for automatically forming the table of contents. The size, color and style of the font are customizable.

Supported output formats include EPUB, MOBI, DOCX, FB2, LFR, PDF, RTF, TXT and many other common ebook types. Every option has additional export parameters.

Features

free to download and use;
offers you instruments for managing and organizing a digital book collection;
it is possible to convert text files to a wide variety of popular formats;
there are multiple output profiles for popular tablets, smartphones and e-readers;
compatible with modern versions of Windows.