Calibre is an e-book library management application, viewer and editor. It's also commonly used for e-book file format conversion and syncing to reader devices. Calibre also simplifies downloading news from the web and converting them into e-book form, and can act as content server for online access to your book collection.
minor feature: Release: 4.23 21 Aug, 2020 New features Kobo driver: Add support for new firmware. Also add recognition of 'Kobo Plus' subscription books.Edit book: Allow customizing the base background/foreground and link colors for the preview window.Quickview panel: Add actions to the context menu to search for book in library, open in viewer, etc.Allow forcing calibre to remember the column width for the On device column by right clicking the header of the column.Template language: Add functions to perform math operations to convert fractional numbers to integers.Content server: Esc key not working in several views.unable to delete default value for custom columns of boolean type, once setEPUB Output: When splitting dont consider files with only a single character empty.Comments editor: syntax coloring for HTML view in dark mode.Book list: When a series column is not wide enough, elide text in the middle so that the series number is visible.New news sources.linuxnews.de and t3n.de by Volker HeggemannImproved news sources.El Diplo. calibre Blog. ESPN. LA Times. Winnipeg Free Press. Popular Science. Science News Recent.