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: 4.13 27 Mar, 2020 New features Edit book: When searching in normal mode, have spaces in the search expression match multiple spaces and line breaks in the text.When running calibre-portable.exe popup a more useful error message if it is placed in a location with a too long path.Edit book: Allow skipping confirmation dialog when marking non-first file as cover page.Add a shortcut Ctrl+Alt+p to switch to the previously opened library.Viewer: searching in flow mode not scrolling to display the search results.Viewer search: jumping to next match sometimes selecting previous match if the searched for expression occurs with identical context in multiple places.Viewer: Ensure there is no bleed between pages when using single page per screen.shift click not working reliably in the book list.edit open with applications not working from files browser in editor.MOBI Input: Upshift non-animated GIF to PNG as it is a more widely supported format.MOBI Input: Dont auto-convert images in PNG/GIF formats to JPEG.MOBI Output: Improve conversion of PNG images with transparency to GIF.Check Book: Do not fail if non-UTF-8 stylesheets are present in the book.Viewer: Maximum font size for margin text should be the body font size not hardcoded to 12px.PDF Output: Ignore glyph size mismatches when merging fonts for TTF.New news sources.Istorias and Sardinia Post by tziumImproved news sources.Forbes. LA Times. Glasgow Herald. Spectator Magazine. Newsweek.