CloudConvert converts your ebooks online. Amongst many others, we support EPUB, PDF, AZW and CBZ. No need to download any software to convert between various ebook formats!
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TXTZ is a text archive file format creates a zip archive with text. It can also add images to the archive. It works with Calibre eBook software only till now. It supports Calibre because the TXTZ makes the eBook into one file. It supports Meta data using metadata.opf file.
TXTZ ConverterAZW3 is an eBook file that is developed by Amazon. It is used in Amazon Kindles to view eBooks. Moreover it also supports some advanced features like HTML5 and CSS3. It is a proprietary tool that can be viewed only in Amazon eBook previewer or Amazon kindles.
AZW3 Converter