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Unlike Calibre, KindleGen uses an unfriendly ‘command line’ interface which will be daunting to non-technical users. You need a basic understanding of HTML and other technologies to use it effectively. It’s a professional-grade tool which you install on your PC, Mac or Linux computer. KindleGen is Amazon’s advanced software tool for creating ebooks in the Kindle format. At the time of writing, it does not support EPUB3 format.Ĭalibre is supported by an active developer and user community so there is plenty of useful information and support ( ). It outputs to a number of formats including EPUB and mobi and Amazon’s new KF8 file format (called AZW3). Source files. Calibre accepts input from about 20 file formats including Word (saved first as RTF – Rich text Format), HTML, PDF, EPUB and mobi. Used effectively, these allow you to fine-tune Calibre so that it recognizes your specific document styles, mark up and structure, improving the quality of ebook outputs. Calibre offers more technical operating modes to provide more control and customization. For the power user, Calibre includes features such as heuristic processing, structure detection, and batch processing, allowing a great deal of customization to improve results, including custom rules and scripts. As well as its ebook conversion function, Calibre includes several other features that allow users to manage their ebook collections and sync them to e-reader devices. The quick mode won’t produce an ebook suitable for commercial distribution but is fine for proof copies or internal documents.
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A simple, WYSIWYG (what you see is what you get) mode will quickly produce an ebook with just a few simple steps. It will also convert DRM-free ebooks from one format to another for use on a range of devices. You feed in a source file in a wide range of formats and Calibre outputs ebooks in EPUB, Kindle and a wide range of other formats. CalibreĬalibre is free software that you install on your Windows, Mac or Linux computer. The two most popular programs are:īoth Calibre and KindleGen have default settings that require little technical knowledge and are often good enough for personal use or in-house applications such as proofs or advance reading copies.īeyond the ‘out-of-the-box’ default settings, both programs have extensive options for customization and fine-tuning which require a moderate to high level of technical competence. But instead of operating over the internet, they run locally on a PC or Mac. This section looks at desktop ebook conversion software, focusing on the two most commonly-used tools, Amazon’s KindleGen and the open source Calibre.Įbook conversion software does a similar job to the automated online services like Smashwords and Kindle Direct Publishing: they take a marked up source file and convert it automatically to one or more ebook formats.
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