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: 4.18 05 Jun, 2020 New features Viewer: Search panel: Add a button to return to the position the book was at before doing a search.Tag browser: Improve handling of hierarchical tagsRenaming a tag now renames it and all its children. Drag and drop of hierarchical tags alters their hierarchy. Deleting a tag now deletes all its children.Viewer: In flow mode, implement drag scrolling.Tag browser: Allow Manage Tags to open to a selected letter when clicking on a letter.Viewer: Show number of search results in title of search panel.Content server: In the book list hovering over the library name now shows the total number of books in the library.a regression in the previous release that broke the copy and recalculate author sort buttons.Book details: extra margin to the right of the metadata fields.Cover grid: Show text under books that have no cover as well.When merging metadata, if a custom column has type multiple in the new data and some other type in the old data, ignore the old data instead of failingmacOS: When using the single instance option of the viewer, crashes should not require a restart of the computer to use the viewer again.Windows: an error when changing title/author for books in a library whose name contains characters not encodeable in the current code page.Windows: amazon metadata download failing when accented characters in search queryComments editor: shortcuts for bold/italic not working when toolbars are hidden.Improved news sources.The Hindu. Wired Daily Edition. The Economist.