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Home » OlderGeeks.com Freeware Downloads » Office, Home Office, Business and Writing » eBook Readers and Tools » Calibre v8.4.0 | File - Download Calibre v8.4.0 | ||||||||
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A plea... Deanna and I have been running this site since 2008 and lately we're seeing a big increase in users (and cost) but a decline in percentage of users who donate. Our ad-free and junkware-free download site only works if everyone chips in to offset the revenue that ads on other sites bring in. Please donate at the bottom of the page. Every little bit helps. Thank you so much. Sincerely, your Older Geeks: Randy and Deanna 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 v8.4.0 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: v8.4 [09 May, 2025] New features KEPUB Output: Add an option to generate KEPUB files that have better text justification at the cost of gaps in highlighting when used on the Kobo Closes tickets: 2107778 E-book viewer: Allow the background image specified in the Style section of the viewer preferences to extend under the page margins as well Bug fixes E-book viewer: Fix a regression that broke the "show book in main calibre program" link Closes tickets: 2110117 News download: Fix Next/Previous links not working when the pointed to article failed to download E-book viewer: Handle links to missing internal files with an error popup rather than becoming non-functional E-book viewer: Fix some links not being processed correctly for very large EPUB files with many internal HTML files Get books: Update ebooks.com plugin for website changes Metadata review dialog: Fix merging of tags not working correctly Wayland: Workaround Qt/Wayland bug that prevents the menu of the Layout button from showing Closes tickets: 2109755 Prevent recursion when creating base temporary folder if something on system deletes the created temporary folder Closes tickets: 2109612 New news sources Frieze Magazine by Kabonix Improved news sources NYTimes Book Review Washington Post tagesschau Hindu Economist Economist Espresso      This download (bottom of page) is for the Windows portable version. All other download assets are below: Windows 10/11: calibre-64bit-8.4.0.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-8.4.0.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-8.4.0-x86_64.txz calibre-8.4.0-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 | |
| 10,847 | 24,566 | Kovid Goyal <img src="https://www.oldergeeks.com/downloads/gallery/thumbs/Calibre1_th.png"border="0"> | May 13, 2025 - 11:23 | 8.4.0 | 185.2MB | EXE |  , out of 90 Votes. |
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| Calibre v8.4.0 | ||||||||
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