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 2.0.0 release notes:
This release represents a mix of bug fixes and new features. Key points are the upgrade to Qt6.5.2 and Python 3.11.3 and the change to PySide6 instead of PyQt5/6 availability for plugins (see here for more details). We will also no longer be providing an official Windows 32-bit binary installer (legacy or otherwise). The update to Qt6.5.2 makes Windows 10 (1809) the minimum supported OS for the official version of Sigil starting with Sigil 2.0.0. Similarly, it makes the minimum supported MacOS version as 11.0 (Big Sur).
Sigil 2.0.0 changelog:
Bug Fixes
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fix incorrect assert in sigil-gumbo
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recognize application/pdf mediatype on epub import
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remove compiler build warnings to clean up the build output
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recognize source tag attribute srcset for xhtml source updates
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fix Preview disconnect bug after split at cursor
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fixed sigil-gumbo interface for plugins
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added workaround for ADE epub3 bug with scaled cover images
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fix encoding for named entities in opf metadata
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fix drag/drop crash by disabling drop inside CodeViewEditor
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fix CodeView to Preview syncing on text after an inline xhtml comment
New Features
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updated to Qt 6.5.2 which is now used for official releases
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updated to Python 3.11.3 and uses the latest EmbededPython interface
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updated to the latest jquery version 3.6.4
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supports use of embedded pdfs ala ADE
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added dark window titlebars for Windows platforms
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add support for a user's cover-template2.xhtml and cover-template3.xhtml
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add user preference to control printing dpi and add busy indicator icon
Download: Sigil 2.0.0 | 122.0 MB (Open Source)
Links: Sigil Home Page | Other Operating Systems
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