Sigil

Sigil

Sigil is a free, open source ebook editor that allows users to edit EPUB format ebooks. It has a simple interface and supports editing book metadata, table of contents, and text formatting.
Sigil image
epub ebook editor

Sigil: Free Open Source Ebook Editor for Editing EPUB Format Ebooks

Free ebook editor with a simple interface, supports editing book metadata, table of contents, and text formatting.

What is Sigil?

Sigil is a free, open source ebook editor developed by Strahinja Markovic and John Schember that allows users to edit ebooks in the EPUB format. It has an intuitive interface that makes editing ebooks accessible for novice and advanced users alike.

Key features of Sigil include:

  • Editing EPUB file metadata like titles, authors, covers etc.
  • Visual editing of EPUB HTML contents with a built-in code editor
  • Table of Contents editor with validation to ensure consistency
  • Search and replace across entire book or in sections
  • Supports embedding fonts, stylesheets, images etc.
  • Add multimedia objects like audio and video files
  • View and debug book contents in multiple formats like Code View, Book View and Validation Results
  • Support for spell checking contents
  • Available free of charge for Windows, Mac and Linux

With its easy to use interface, Sigil makes ebook editing simple. Both novice and advanced users can benefit from its versatile features to create professional ebooks.

Sigil Features

Features

  1. Edit EPUB format ebooks
  2. Simple interface
  3. Edit book metadata
  4. Edit table of contents
  5. Edit text formatting

Pricing

  • Open Source

Pros

Free and open source

Cross-platform availability

Support for latest EPUB standards

Active development and user community

Cons

Limited formatting options compared to word processors

Steep learning curve for new users

Lacks some advanced ebook features like fixed layout


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