sigil
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Description:
EPUB ebook editor
Type: Cask  |  Latest Version: 2.7.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @SigilEbook  |  formulae.brew.sh
Category: Productivity
Tags: epub ebook editor publishing authoring
Install: brew install --cask sigil
About:
Sigil is a free, open-source, multi-platform EPUB ebook editor. It provides a comprehensive WYSIWYG editor for structuring and formatting ebooks, alongside a powerful Code View for direct HTML/CSS manipulation. Its primary value is enabling authors and publishers to create, edit, and validate EPUB files with precision and efficiency.
Key Features:
  • WYSIWYG and Code View editing
  • EPUB 2 and EPUB 3 specification support
  • Built-in validation and error correction
  • Multi-platform (Windows, macOS, Linux)
Use Cases:
  • Formatting and styling EPUB ebooks from scratch
  • Fixing formatting errors in existing ebooks
  • Converting other ebook formats to EPUB
Alternatives:
  • Calibre – Calibre is primarily an ebook management tool with conversion capabilities, while Sigil is a dedicated EPUB editor with more advanced layout and code features.
Version History
Detected Version Rev Change Commit
Sep 13, 2025 1:49am 2.6.2 0 VERSION_BUMP f45ab6d0