Sigil is a free, open source, multi-platform ebook editor. It is designed to edit books in ePub format (both ePub 2 and ePub 3). It also provides features for advanced users, like direct XHTML, CSS and XPGT editing. You can use it to add any of the metadata entries supported by the EPUB specification and create a hierarchical Table of Contents.
Sigil key features:
- Free and open source software under GPLv3
- Multi-platform: runs on Windows, Mac, and Linux (note Linux only receives limited support)
- Full UTF-16 support
- EPUB 2 spec support with limited EPUB 3 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
- 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
- All imported files have their formatting corrected, and your editing can be optionally cleaned
- Plugins!
Sigil 2.7.5 changelog:
New Features
- updated to the very latest Qt 6.10.2 (minimum MacOS supported version is now MacOS 13)
- updated to the very latest Python 3.14.2
- added Save Selected Data to CSV in SpellcheckEditor dialog via pop-up menu
- added possible shortcut id number to the ClipEditor to make assigning clip shortcuts easier
- made Classes Used Report doubleclick open the class defintion in CodeView if found
- set initial focus in the Regex Rename dialog to the regex field on launch
- added min and max buttons to titlebar in Reports and Spellcheck Editor to ease use with small screens
- extended Python Function Replace to allow easier creation of a SigilMatch object
- added Unicode Codepoint name to the status bar for the character after the cursor to CodeView
- extended the Codepoint name to include the codepoint itself (Thank you BeckyEbook)
- converted ClipboardHistorySelector dialog to be non-modal, auto updating, with min button
- converted MDViewer (GetInfo) to be non-modal and work with multiple BookBrowser selections
- add status message when updating Validation result
- redesign how web cache profiles are used and cleared to improve stability and speed
Bug Fixes
- WebProfileMgr will now detect multiple instances of Sigil and choose the right profile cache type
- removed leftover debug output from WebProfileMgr to prevent confusion
- handle multiple dots in a row when developing a file name from a string (Thank you BeckyEbook)
- corrected Image Report usage counts by including use in CSS and html style tags
- fixed possible label truncation in RERenamer dialog
- fixed for having to repeat Find when search starts in html but is searching css, js, etc
- fixed Class Used Report to look inside xhtml file style tags too
- fixed AddMetadata dialog by providng a clarifying title string
- updated Building_on_Linux to include Alpine Linux supprt (#839)
- fix typo and duplication in plugin support routine hrefutils.py
- fix bug in media-type assignment for smil files in PluginRunner
- adapt python3lib/repomanagercode.py to recent changes in dulwich that broke backwards compatibility
- fix Preview sync to location bug when actively editing svg, css, js
Notes:
- It"s possible that Windows users may need to update their Visual Studio VC++ Redistributable runtimes if Sigil doesn"t run.
Download: Sigil 2.7.5 | 140.0 MB (Open Source)
Links: Sigil Home Page | Other Operating Systems | Screenshot
