
Sigil is a free, open-source e-book edit. It can be use to create ebooks, convert between various format, edit contents of existing books. EPUB is a popular eBook format. EPUB files are XML files with a hierarchical structure. Software Sigil application is a free and open-source application designed for creating and editing EPUB files. Program is a front-end for a set of command line tools that can convert a XHTML or HTML file to an EPUB file, and vice versa.
Program has a clean and functional interface. Interface features a content, book, editing tools on right, toolbox on left. Book is open on right-hand side of window and content, toolbox are on the left. Editing tools are on the right and can be used to add and edit text and images and to change formatting. Content is on left side, where you can see book details, current chapter, current text, list of chapters, list of texts, list of bookmarks, finally bookmarks. Tools are on right side. There are buttons for adding books, chapter, texts, chapter marks, text marks, bookmarks. There is a cover editor, where you can create a cover for your book. When download Sigil app opens, it presents a GUI interface with different editing options. At top of screen, there are editing tabs, Book, Bookmarks, Metadata, Styles, Attribute. Below, there are tabs for viewing books, chapters, source code.
Along bottom of Sigil downloading for free, there are three tabs for editing text, editing graphics, and editing images. Text editing tab is where user edit text content of ebook. Graphics editing tab is where user can edit the images in their ebook. Images editing tab is where the user can edit various images in ebook.
There are two ways of viewing the interface, either as a single-window or as a dual window. You can write a document from scratch by using the blank document, or you can import a document from an external source. In installing Sigil on Linux Mint, you can work with two different views, the Split View, Single View. In Split View, an editor is displayed on the left and a preview is displayed on right. In Single View, a preview is displayed on both sides. Product Sigil on Ubuntu is a free and open-source e-book editor. It can be used to create e-books, convert between various formats, edit the contents of existing books. It features a minimal interface with four buttons: Home, Edit, View, Tools. Buttons are always present on toolbar and can be used to open corresponding dialog. All necessary functions for creating e-books are displayed on screen in a user-friendly way. Interface is very easy to understand and is designed in a user-friendly way. Even though programme is very simple and easy to use, it does not lack in functionality.

Program has a clean & functional interface. Features interface a book, content, toolbox on left, editing tools on right. Program Sigil for Mac downloads book is opened on right-hand side of the window and content and toolbox are on left. Editing tools are on right, can be used to add, edit text, images, to change formatting.
Software Sigil on Windows 10 Ebook is a free and open source eBook editor. It is compatible with MS Word and LibreOffice. It is free and available for Windows, Mac OS X, Linux. Application has a huge and active community, many tutorials and video guides for beginners. Product is an application that has great support and is constantly being improved and updated.
Overall, Sigil on PC is a free and cross-platform application for creating, editing, viewing e-books. Application is available for Windows, Linux, macOS. Program is free and open-source software, it supports more than 120 formats of e-books. Application is mainly designed for creating, editing e-books (text and images). Support is distributed through a list of IRC channels and a mailing list, information is available on website of application.