Sigil screenshot

Sigil is a free and open-source ebook editor that supports the EPUB format. Sigil is designed for creating, editing, and formatting ebooks, primarily in the EPUB format. EPUB is a widely used standard for ebooks that's compatible with various e-readers and platforms. Sigil provides users with a graphical interface to manipulate the content and structure of their ebooks, making it easier for authors, publishers, and enthusiasts to create professional-quality ebooks...

Sigil is available for Windows, macOS, and Linux. Sigil is a powerful tool that can be used to create, edit, and customize EPUB ebooks.

Sigil has a variety of features, including:

WYSIWYG Editing:

Sigil offers a WYSIWYG interface, allowing users to edit and format ebooks visually. Users can see how their ebook will appear to readers while working on it.

Code View:

For users familiar with HTML and CSS, Sigil provides a code view option that enables direct manipulation of the underlying code. This is particularly useful for fine-tuning formatting and layout.

EPUB Format Support:

Sigil specializes in working with EPUB ebooks, ensuring compatibility with a wide range of e-readers and platforms, such as Amazon Kindle, Apple iBooks, and more.

Formatting Tools:

The software offers a variety of formatting tools for text styling, paragraph formatting, images, links, tables, and more. This allows users to create visually appealing and well-structured ebooks.

Validation and Error Checking:

Sigil includes features for validating and checking ebooks for compliance with EPUB standards. This helps users identify and fix errors that could affect the ebook's functionality and appearance on different devices.

Multi-Platform Compatibility:

Sigil is developed using the Qt framework, making it compatible with multiple operating systems, including Windows, macOS, and Linux. This ensures that users can work on their ebooks regardless of their preferred platform.

Open Source:

Sigil is open-source software, which means its source code is available to the public. This encourages community collaboration, transparency, and the potential for user-driven improvements.

EPUB3 Support:

Sigil supports EPUB3 features, allowing users to incorporate advanced elements such as multimedia content, semantic markup, and more interactive features into their ebooks.

Sigil is a great choice for anyone who wants to create or edit EPUB ebooks. Here are some of the pros of using Sigil:

Free and Accessible:

Sigil is freely available for download and use, making it accessible to a wide range of users, from professional authors to hobbyists.


The software's intuitive interface and user-friendly tools make it suitable for users of varying technical backgrounds, including those who might not be familiar with coding.


Users have the flexibility to create ebooks that match their specific preferences and design choices, from simple novels to complex multimedia-rich publications.

EPUB Standard:

By focusing on the EPUB format, Sigil ensures that ebooks created using the software are compatible with a variety of devices and reading platforms.


Users can switch between visual editing and code view, allowing for both simple content creation and detailed code manipulation.

EPUB3 Features:

Sigil's support for EPUB3 features keeps ebooks up-to-date with modern publishing standards and enables the inclusion of interactive and multimedia elements.

Community and Collaboration:

Being open source, Sigil benefits from community contributions, bug fixes, and feature enhancements that can improve the software over time.

Overall, Sigil is a great choice for anyone who wants to create or edit EPUB ebooks. It is free, open-source, powerful, and versatile. If you are willing to put in a little time to learn how to use it, Sigil can be a great tool for you.

Sigil - Changelog.

Sigil v2.1.0 - For windows 64 bit:

Size: 118.99 MB - Download

Sigil v1.9.30 - For windows 32 bit:

Size: 71.98 MB - Download

Pin It