Sigil for Windows

Used Sigil for Windows?

Beta or prerelease software is not intended for inexperienced users, as the software may contain bugs or may potentially damage your system. We strongly recommend that users exercise caution and save all mission-critical data before installing or using this software.

Editors’ Review

Download.com staffFebruary 20, 2026

Sigil is a free, open-source, multi-platform WYSIWYG editor for EPUB ebooks. It offers comprehensive tools for creating, editing, and modifying EPUB files with full Unicode and EPUB specification support.

Top Recommended Alternative

Solid Converter PDF

Trial version

Pros
- WYSIWYG ebook editing
- Full Unicode and EPUB spec support
- Multiple editing views: Book, Code, Split
- Extensive metadata editor
- Table of Contents editor
Cons
- Automatic conversion to Unicode might need refinement.

Sigil for Windows

Used Sigil for Windows?

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Full Specifications

GENERAL

Release: January 4, 2012

Latest update: February 20, 2026

Version: 0.4.9-beta

OPERATING SYSTEMS

Platform: Windows

Operating System

Windows 7
Windows Vista
Windows 2000
Windows XP
Windows 10

Additional Requirements: None

POPULARITY

Total Downloads: 223

Downloads Last Week: 1

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Developer’s Description

By Strahinja Markovic

Create, edit, and modify ebooks in ePub format.

Sigil is a multi-platform WYSIWYG ebook editor. It is designed to edit books in ePub format.It is free and open source software under GPLv3,It provide full Unicode support: everything you see in Sigil is in UTF-16 and full EPUB spec support,WYSIWYG editing,support Multiple Views: Book View, Code View and Split View, include Metadata editor with full support for all possible metadata entries (more than 200) with full descriptions for each,table Of Contents editor,perform advanced automatic conversion of all imported documents to Unicode.