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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TCR is a ZVR based eBook file format that is used in some eBook readers. It is used to store a document. Although it is a proprietary file format from Calibre, TCR files can be viewed from several eBook reading software. It has better compression technique than palmDOC.
TCR 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