calibre 5.3.0

Calibre is a complete e-book library manager. Organize your collection, convert your books to multiple formats, and sync with all of your devices. Let Calibre be your multi-tasking digital librarian.

Manage, convert, sync, and more
  • Library management. Calibre keeps things orderly by creating single entries for books that contains multiple formats. Add tags and comments for better searchability.
  • Format conversion. Calibre’s robust conversion options support

What’s New

Version 5.3.0:

New features
  • Tag browser: When grouping items by first letter if adjacent letters have few entries combine them into a single group.
  • Viewer: Allow displaying the current page / total pages in the header/footer. Useful in paged mode to see exactly how many pages are left.
  • Viewer search panel: Show more result context in a tooltip when hovering over a search result.
  • DOCX Input: Add support for Word controls used to rotate or flip images
  • Viewer image pop-up: Allow maximizing/minimizing the window.
  • 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.
  • Category editor: Add a right click menu to change case of the selected entries.
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.
  • 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.
  • 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.
  • Quickview: Fix nothing shown after clearing the search.
  • Dark mode: Fix radio buttons having no outline.
  • Annotations browser: When showing a book in the calibre library that is not currently visible, display an error.
New news sources
  • Deutsche Welle by VoHe
Improved news sources
  • Reuters


OS X 10.9.5 or later, 64-bit processor


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