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.
ReleaseNotes
minor feature: Release: 5.1 02 Oct, 2020 New features Enhancement: allow using templates in search expressions.Viewer lookup panel: Add a checkbox to disable automatic update of lookup when the selected text changes.Viewer: Allow skipping the confirmation when using the remove highlight button in the popup bar.ToC Editor: bulk rename of entries not workingLinux: right clicking on system tray icon not workingUser category based searches unreliable dues to caching PDF Output: Dont fail if the input document has an html file identified as the cover.Catalog generation: a regression that broke generating catalogs if books with no comments are present.Windows: error on first run of calibre after install/upgradeViewer: copy to clipboard button in toolbar not working.Viewer: copy to clipboard not copying text as HTML to clipboard in addition to plain textmacOS: some drop down menus such as in the ToC editor and cover generation in the Edit metadata dialog not working.
