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 2.2.0 changelog:
New Features
- add support for Windows live switching from dark to light and light to dark modes
- add support for Linux kde and gtk3 live switching from dark to light and light to dark modes
- add new environment variable: SIGIL_PREVIEW_TIMEOUT (in milliseconds) to allow user control of the Preview updating intervals, valid range 100 – 10000. default value: 1000. Set only once at Sigil startup.
- add new Find and Replace targets: Selected SVG files, Selected Javascript Files, and Selected Misc XML
- add new Find and Replace Regular Expression menu option: Unicode Property (*UCP)
- add ability to rename files when new name is just a case variant on case insensitive filesystems
- extended the number of clips that can be assigned to toolbars (total now of 60 clips supported)
- Accessibility improvements:
- add abiity to highlight the widget with current focus (Thanks BeckyEbook)
- add ability to double text insertion point width throughout Sigil
- Extend Python Plugin Interface with info on preferred font mangling information
- replacement strings in F&R can now use \x{hhhh} hex escape codes to represent unicode characters numerically
Other Changes
- There will be no more built-in HighDPI settings in Sigil’s prefs. If you have special needs in that regard, you can still set your own Qt highdpi environment variables.
Bug Fixes
- reformating css with multiline now adds space after selector comma
- add in bulk resource move and use bulk delete to handle epubs with thousands of files
- add in bulk resource rename to handle epubs with thousands of files
- if Replace has focus and Find done, CodeView should get focus (Thanks BeckyEbook)
- fix dark mode Toolbar continuation symbols for Windows (Thank you BeckyEbook)
- fixed bug in Save-As context menu action in ImageTabs
- fix dark mode live switching on macOS issues qith QTreeView and QStandardItemModels
- fix bug in missing CharToEntity in the Create TOC process
- fix TabManager tab close symbol on macOS to match that used in dockwidgets
- use Unciode NormalizationForm C inside Sigil and for io
- fix macOS stuck at Maximized size issue
Download: Sigil 2.2.0 | 119.0 MB (Open Source)
Links: Sigil Home Page | Other Operating Systems
