Sigil 0.9.10

Sigil is a multi-platform EPUB ebook editor with the following features.

45.9 MB
4.4 41 votes


  • Free and open source software under GPLv3
  • Multi-platform: runs on Windows, Linux and Mac
  • Full UTF-16 support
  • Full EPUB 2 spec support
  • Multiple Views: Book View, Code View and Preview View
  • WYSIWYG editing in Book View
  • Complete control over directly editing EPUB syntax in Code View
  • Table of Contents generator with multi-level heading support
  • Metadata editor with full support for all possible metadata entries (more than 200) with full descriptions for each
  • User interface translated into many languages
  • Spell checking with default and user configurable dictionaries
  • Full Regular Expression (PCRE) support for Find & Replace
  • Supports import of EPUB and HTML files, images, and style sheets,
  • Documents can be validated for EPUB compliance with the integrated FlightCrew EPUB validator
  • Embedded HTML Tidy: all imported files have their formatting corrected, and your editing can be optionally cleaned

What's New:

Bug Fixes

  • Fix signal handling to prevent double launch of plugins immediately after plugin installed
  • Fixed incorrect named entity tooltips for many of the Insert-> Special Characters
  • Fixed lack of recognition of woff2 fonts inside Sigil and for plugins
  • Fix segfault when .xml is first file in BookBrowser and add new html or split at cursor is invoked
  • Fix bug that allowed multiple audio/video tabs of the same resource to be opened
  • Fix plugin related bug when adding/removing last xhtml file
  • Fix Text Direction setting inside body to use structural dir attribute under epub3
  • Fix duplicate group-position property in epub3 MetaData Editor
  • Use absolute path references when first opening Sigil with an ebook so that Open Recent works better
  • Fix “issue” in handling self-closing script tags in head (similar issue that we had with self-closing title tags)
  • Fix issue converting Qt Strings to their Python equivalent when outside the BMP
  • Fix issue with trying to add existing html files when names clash due to case insensitive file systems
  • Fix crash bug after styling text in BookView and immediately going to CodeView without moving cursor
  • Fix crash bugs after deleting resources contained in a Report in the BookBrowser
  • Fix bug that destroys nav if left in unparseable state by user even temporarily
  • Fix bug that moved cursor to beginning of tag block when save is done in CodeView

New Features

  • allow plugins to supply their own icon (plugin.png 48×48) for use on the Quick Launch Toolbar icons
  • extend plugin interface to include the status of the epub inside Sigil (modified or saved)
  • extend plugin interface to include the path to the saved epub file or the null string if never saved
  • extend Insert->Special Characters to include both a Greek letter panel and a mathematical symbol panel
  • add support for calibre:series and calibre:series_index to Metadata Editor for epub2
  • add support for calibre:title_sort to Metadata Editor for epub2
  • add support for clicking internal links in Preview to load the proper destination tab
  • add support for loading Qt’s base translation files if present. Allows buttons on native qt dialogs to
  • be translated (Windows users may need to manually copy newer qtbase_xx.qm files to Sigil’s translation
  • directory if they didn’t exist in Qt5.6.2)
  • allow user to add custom css rules to Preview/Book View by creating a file called “custom_preview_style.css”
  • in the Sigil preferences folder (not responsible for custom css and ebook css fighting with each other)