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: 4.21 16 Jul, 2020 New features Kobo driver: Add support for the new Kobo Nia.Cover grid: Vertically center covers that are smaller than the available space.Quickview panel: Add a checkbox to easily toggle if virtual libraries are respected.When creating custom columns allow specifying a default value to be applied to new books for that columnEdit book: initial sync of preview panel to cursor position sometimes not working when a new HTML file is opened for editing.changed author sort name not being used when adding another book by the author to the library.Cover browser: improve rendering of text with heavily hinted fonts.Viewer: CBC comic files not being viewed correctly. Note that you have to reload the book via the viewer controls to apply the.Viewer: Table of Contents not correct for comics.Viewer: Ignore the zero width non-joiner character in searches.Viewer: a regression in the previous release that broke reading of books with mathematics and also lt;a gt; tags without href attributes.Cover grid: When using a background image do not scroll it with the covers.Improved news sources.1843 magazine. Caravan Magazine.