Sigil

Sigil: Great software for reading, editing, and generating ebooks with the ePub format.

Sigil is a very advanced ebook editor that was designed to provide users with many options and configuration settings, and also offers support for HTML, TXT, image, and video files, which all come packed in a user-friendly interface.

The program will offer users a split viewing mode that lets them view the code and design side-by-side, which is useful when putting together new ebooks, having the possibility to design the covers and edit basic metadata along with role properties, span text into multiple files, and generate a table of contents to edit the existing ones.

It also keeps track of all the text copied to the Clipboard, records it to history, and allows them to paste any preferred clips, while also integrating a spellchecker that is capable of validating ePub and CSS style using online services, and even remove unused media and CSS styles, which will reduce the size of the ePub file.

Sigil is a very efficient solution to reading, editing, and generating ebooks with the ePub format, which will come in handy for all types of users, be it advanced or beginners.