Calibre is an open source e-book library management application that enables you to manage your e-book collection, convert e-books between different formats, synchronize with popular e-book reader devices, and read your e-books with the included viewer.
It acts as an e-library and also allows for format conversion, news feeds to e-book conversion, as well as e-book reader sync features and an integrated e-book viewer.
Calibre"s features include: library management; format conversion (all major ebook formats); syncing to e-book reader devices; fetching news from the Web and converting it into ebook form; viewing many different e-book formats, giving you access to your book collection over the internet using just a browser.
Calibre 5.6.0 new features:
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Edit book: Show a non-modal popup for a few seconds to allow undoing file delete operations
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Device books view: Add an action to the context menu to easily jump to the matching book in the calibre library view. Closes tickets: 1903418
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Add ability to undo Generate cover in the Edit metadata screen, by long clicking the Generate cover button. Closes tickets: 1903270
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Edit book: Allow adding tags to the list of tags for the insert tag button
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calibredb add: New option --automerge to automatically merge duplicates
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Add an edit notes action to the context menu in the viewer highlights panel. Closes tickets: 1905646
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Content server viewer: Allow viewing images in a new window by right clicking them, matches the calibre builtin viewer behavior. Closes tickets: 1903333
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Book details window: Allow opening the edit metadata window using either the keyboard shortcut or the context menu. Closes tickets: 1903403
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Allow copying the current search as a calibre:// URL by right clicking the search box
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Book details panel: Add entries to copy calibre:// links for the current book to the context menu
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Edit book: Upgrade book: Ask whether to keep the NCX based Table of Contents
Bug fixes:
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Windows: Fix calibre portable launcher not working correctly from root directory in calibre 5.5. Closes tickets: 1904310
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macOS: Fix rendering of space after punctuation incorrect in Big Sur. Closes tickets: 1904505
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DOCX Input: When converting images placed using the obsolete VML markup default them to being inline rather than block images. Closes tickets: 1905319
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Metadata edit dialog: Fix keyboard shortcuts for bold/italic/underline not working when more than one comments editor widget is present on a single tab. Closes tickets: 1905479
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When using calibre://show-book URLs and the book is not found, clear any Virtual library or search restriction and then show the book. Closes tickets: 1905113
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macOS: Fix calibre:// URLs not working from other documents
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Fix calibre:// URL search action not changing library if needed
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annotation_count() template function displaying value for deleted annotations. Closes tickets: 1904305
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Edit book: Fix syntax highlighting not recognizing ends-with selector. Closes tickets: 1905806
Improved news sources:
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The BBC
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Folha de Sao Paolo
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Netzpolitik
Download: Calibre 5.6.0 for Windows | Portable | Windows 64-bit | ~100.0 MB (Open Source)
Download: Calibre 5.6.0 for MacOS | 143.0 MB
Download: Calibre 5.6.0 for Linux
View: Calibre Home Page | Calibre Screenshot