Windows PC Apps

Sigil 1.9.30 Download | TechSpot

Sigil is a free, open source, multi-platform ebook editor that uses Qt (and QtWebEngine). It is designed to edit books in ePub format (both ePub 2 and ePub 3).


  • 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 Checkpointing to work with dulwich version 0.20.46+
  • fix css value parsing when !important is used
  • EmbeddedPython fixes to work with Python 3.11 and later (thank you sharkcz)
  • leave cursor position unchanged if nothing found when search groups of files
  • make all Numeric items in Reports align right
  • add support for thousands separator to Reports
  • allow blank dc:language values to prevent crashing (as Sigil-1.9.10 did)
  • allow unknown language codes to pass through MetaEditor
  • MetaEditor under epub2, allow custom opf scheme values
  • prevent duplicate spaces when reformatting CSS in import, charset and namespace
  • better prevent random OPF attribute order changes to simplify Checkpoint diffs
  • fixed file menu Print Preview for xhtml and image tabs
  • prevent plugins from crashing Sigil by deleting last xhtml file in epub
  • fix issue where images/css could not be properly added in an epub3 with no css files

New Features

  • allow user to edit Checkpoint descriptions for clarity via Checkpoint menu
  • add ability to show the Checkpoint Change Log via Checkpoint menu
  • update to Hunspell 1.7.2 (released in December 2022) for spellchecking
  • update to latest zlib-1.2.13 for latest security fixes
  • move completely away from ever using OS system tmp folder for storing Sigil wip files
  • instead create a new “workspace” folder inside Sigil Preferences folder
  • added ability to Print Preview and Print contents of Sigil’s Preview window

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