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: 4.20 03 Jul, 2020 New features Edit book: Preview: Support displaying mathematics.Kobo driver: Add support for the latest firmware version.Allow copy/pasting dates from columns having different date display formats.Book details panel: When right clicking on tags/authors/etc. allow finding them in the Tag browser easily.Allow selecting individual items to delete in the Check library dialog.Add an option to the wireless device driver to ignore device free space when sending books.Viewer: turning pages in paged mode with a high precision touchpad to generate scroll events too fast.Edit book: pasting files from another editor instance causing unsaved changes in open editors to be lost.Tag browser: Do not show counts for searches as they are always zero.Check library: Do not abort if there are folders in the library that calibre does not have permission to access.Amazon metadata download: download of ratings not working from amazon.co.jpNew news sources.The Print by Kovid GoyalImproved news sources.Popular Science. Caravan Magazine. Sports Illustrated. Gazetta Prawna.