Sigil is a free, open-source EPUB editor designed for creating, modifying, and formatting digital books. It supports EPUB 2 and EPUB 3 standards, making it suitable for authors, publishers, and e-book developers. The application provides both visual editing and direct access to XHTML and CSS source code. Users can organize chapters, images, stylesheets, and other publication resources through an integrated file browser. Sigil includes tools for editing metadata, generating tables of contents, and checking EPUB structure. Its plugin architecture allows additional functionality through Python-based extensions. Built with Qt, Sigil runs on Windows, macOS, and Linux and provides a comprehensive environment for producing professional digital publications.

Features

  • EPUB 2 and EPUB 3 editing
  • Visual and XHTML source code editing
  • Integrated CSS and stylesheet management
  • Automatic table of contents generation
  • E-book metadata and resource organization
  • Python-based plugin extension support

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Additional Project Details

Operating Systems

Linux, Windows

Programming Language

C++

Related Categories

C++ Desktop Publishing Software, C++ eBook Management Software

Registered

1 day ago