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Home » OlderGeeks.com Freeware Downloads » Office, Home Office, Business and Writing » eBook Readers and Tools » Calibre v7.21.0 | File - Download Calibre v7.21.0 | ||||||||
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Always scroll to the bottom of the page for the main download link. We don't believe in fake/misleading download buttons and tricks. The link is always in the same place. Calibre v7.21.0 A free and open source e-book library management application developed by users of e-books for users of e-books. It has a cornucopia of features divided into the following main categories: Library Management E-book conversion Syncing to e-book reader devices Downloading news from the web and converting it into e-book form Comprehensive e-book viewer Content server for online access to your book collection E-book editor for the major e-book formats  From the author: Calibre started life on 31 October, 2006, soon after the release of the SONY PRS-500, the first e-ink based reader to be sold commercially in the US. At the time, I was a graduate student, with a lot of time on my hands. The PRS-500 did not work at all with Linux, my operating system of choice, so I decided to reverse engineer the USB protocol that it used, to get it working on Linux. This was accomplished with the help of the fine folks over at mobileread.com and calibre was born, albeit named libprs500. At the time there were no satisfactory tools to convert content into the LRF format, used by the SONY reader, so I decided to implement a converter to convert the most popular e-book formats to LRF. This converter proved to be wildly popular and far better than the (mostly non-existent) offerings from SONY. It was picked up and used by various publishing houses and content digitizers to produce the first generation of books in the LRF format. As my e-book collection grew, I realized that managing it was quickly becoming unwieldy, so I decided to write a graphical interface to libprs500 to make it easier. This became calibre, in its present form, as a comprehensive e-book management tool. libprs500 was renamed to calibre in mid-2008. The name calibre was chosen by my wife, Krittika. The libre in calibre stands for freedom, indicating that calibre is a free and open source product, modifiable by all. Nonetheless, calibre should be pronounced as cali-ber, not ca-libre. Today calibre is a vibrant open-source community with half a dozen developers and many, many testers and bug reporters. It is used in over 200 countries and has been translated into a dozen different languages by volunteers. calibre has become a comprehensive tool for the management of digital texts, allowing you to do whatever you could possibly imagine with your e-book library. Reading is very important to me and one of my goals has always been to prevent either the fragmentation or the monopolization of the e-book market by entities that care solely for short-term goals. As the calibre community continues to grow, driven by book lovers, for book lovers, hopefully it will always present an alternative for people that love to read e-books and want to be in control of their own digital libraries. -Kovid Goyal Changes: v7.21 [08 Nov, 2024] New features Edit book: A new tool to create an audio overlay in EPUB files for all text using the Read aloud facility This allows readers of the book to listen to it with sentence tracking, even if they do not have a functioning text-to-speech system in the reading software. You can even assign different voices to different parts of the text for a more immersive experience. The tool is available from the Tools menu in the book editor. Dark mode: make scrollbar more visible with higher contrast and rounded corners E-book viewer: In flow mode when scrolling across internal file boundaries using the mouse wheel/touchpad have a short half second pause to ease the transition. Can be controlled via the Scrolling section of the Viewer preferences. ebook-meta.exe: Add an option to disallow rendered cover of first page for EPUB Book details: Add an action to download the cover to the context menu when right clicking the cover Closes tickets: 2082075 Read aloud: Add a restore defaults button to the configuration dialog Closes tickets: 2086609 Auto adding: Allow excluding arbitrary file types not just known book file types Closes tickets: 2086478 Edit metadata dialog: Add an action to open the book's folder to the context menu of the formats list Closes tickets: 2083583 Bug fixes Read aloud: Fix only first 32000 characters per chapter being read Closes tickets: 2086571 Content server: Read aloud: Fix clicking on a word to skip reading aloud to that word causing word highlighting to stop working Closes tickets: 2086661 Linux: Handle speech dispatcher with dummy output module and no voices more gracefully When renaming authors fix empty author folder not being removed if it contained file explorer metadata but was otherwise empty Edit metadata dialog: Fix keyboard shortcuts to edit prev/next raising an error when trying to go beyond the first/last book Closes tickets: 2086193 Linux: ToC Editor: Fix a regression in 7.17 that broke using the Create new entry button Closes tickets: 2085576 Content server: Fix changing the language of a book not working for non-English user interface language and for books that have no existing language Closes tickets: 2085005 Linux: Read aloud with Piper: Fix audio not playing on some Linux systems Notes browser: When searching books search over all currently selected categories not just the last selected one New news sources Unz Review and Sonar21 by unkn0wn Improved news sources Substack Live Mint NYPost Ars Technica Indian Express Reuters      This download (bottom of page) is for the Windows portable version. All other download assets are below: Windows 10/11: calibre-64bit-7.21.0.msi Windows 8/8.1: calibre-5.44.0.msi calibre-64bit-5.44.0.msi calibre-portable-installer-5.44.0.exe Windows 7: calibre-3.48.0.msi calibre-64bit-3.48.0.msi calibre-portable-installer-3.48.0.exe MacOS (Ventura) and higher: calibre-7.21.0.dmg MacOS older than 13.0 (Ventura): calibre-6.29.0.dmg MacOS older than 11.0 (Big Sur): calibre-6.11.0.dmg MacOS older than 10.15 (Catalina): calibre-5.44.0.dmg MacOS older than 10.14 (Mojave): calibre-3.48.0.dmg MacOS 10.8 (Mountain Lion): calibre-2.85.1.dmg Linux: calibre-7.21.0-x86_64.txz calibre-7.21.0-arm64.txz Click here to visit the author's website. Continue below for the main download link. |
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| Downloads | Views | Developer | Last Update | Version | Size | Type | Rank | |
| 10,633 | 22,773 | Kovid Goyal <img src="https://www.oldergeeks.com/downloads/gallery/thumbs/Calibre1_th.png"border="0"> | Nov 08, 2024 - 11:48 | 7.21.0 | 182.54MB | EXE |  , out of 73 Votes. |
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