Sigil 0.9.14

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

61.2 MB
4.3 45 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

  • flush all changes to disk before creating a Report so that files sizes are correct
  • stop writing python bytecode to Program Files on Windows
  • remember cover semantics if cover image replaced by Add Existing...
  • fix issues with the Plugin Framework documentation epub
  • more memory leaks plugged
  • minor code cleanups

New Features

  • updated to Qt 5.12.3 with Annulen Webkit 5.212 with extra QtCursor memory leak fixes
  • updated to Python 3.7.2
  • updated build docs for macOS, Linux and Windows
  • build system now uses GNUInstallDirs to determine the best installation libdir on Linux
  • updated desktop integration for Linux
  • reduce PCRE cache size to help lower memory footprint
  • improve mapping of hunspell dictionary names to actual language names (thanks BeckyDTP)
  • add warning during import if unmanifested files exist in the epub zip archive
  • no longer requires use of non-breaking space entities (or any entities at all!)
  • special spaces are now visisble via syntax highlighting in CodeView
  • dropping epubs on no longer opens an extra empty epub on macOS
  • reload Preview only when needed to help prevent screen flicker and lower memory use
  • enabled Windows automated builds using Apppveyor
  • Windows releases now compiled with Visual Studio 2017
  • characters in HTML files report now uses gumbo for speed
  • allow user's custom plugin icons to survive a plugin update