Calibre 5.3.0

Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books.

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Last updated:

October 16, 2020

Developer:

License:

Freeware
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OS:

Windows/macOS/Linux

File size:

123 MB

Downloads:

51,551

User rating:

20 votes

It has a cornucopia of features divided into the following main categories:

What's New:

New features

Tag browser: When grouping items by first letter if adjacent letters have few entries combine them into a single group.
Can be controlled via an option in Preferences->Look & fee->Tag browser to combine 'first letters' together if there are a small number of items under adjacent letters
Viewer: Allow displaying the current page / total pages in the header/footer. Useful in paged mode to see exactly how many pages are left.
Closes tickets: 1899163
Viewer search panel: Show more result context in a tooltip when hovering over a search result.
Closes tickets: 1899834
DOCX Input: Add support for Word controls used to rotate or flip images
Only works with output formats such as EPUB that support CSS transforms
Viewer image pop-up: Allow maximizing/minimizing the window.
Closes tickets: 1899762
Edit metadata dialog: Use only a single line for custom column date fields
Add an item to search for categories to the category editor context menu.
Closes tickets: 1899341
Category editor: Add a right click menu to change case of the selected entries.
Closes tickets: 1899316

Bug fixes

Fix a regression in 5.0 that caused performance of dialogs that contain title/series/tags edit fields to be very poor with large libraries.
Closes tickets: 1898221
Fix a regression in 5.0 that caused some pop-up menus to appear on the wrong monitor in multi-monitor setups
macOS: Fix a long standing bug that prevented drag and drop of multiple items
Windows: Fix a regression that broke scanning for default programs for the Open with action
Windows: Fix a regression in 5.0 causing some MOBI files with non-BMP characters not being processed correctly.
Closes tickets: 1898894
E-book viewer: Fix scrolling past the end of chapter boundaries not working in books that have negative margins
Edit metadata dialog: fix incorrect rendering of custom column names that start with emoji.
Closes tickets: 1899466
Quickview: Fix nothing shown after clearing the search.
Closes tickets: 1899318
Dark mode: Fix radio buttons having no outline.
Closes tickets: 1900022
Annotations browser: When showing a book in the calibre library that is not currently visible, display an error.
Closes tickets: 1900066
New news sources
Deutsche Welle by VoHe
Improved news sources
Reuters