HTMLZ is an eBook file that is compressed as ZIP file. An HTMLZ file may contain HTML files, text, images and metadata.opf file. It is an archive of eBook where every data is compressed. Instead of separate CSS files, Inline CSS codes can be written in HTML files.
RTF is a document file that supports several text formatting options. It is a proprietary file format of Microsoft. One of the drawbacks of RTF format is that it cannot contain or format any data, images, and diagrams other than texts. It can format the texts only.
+200 Formats Supported
CloudConvert is your Swiss army knife for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. Plus, you can use our online tool without downloading any software.
Besides using open source software under the hood, we’ve partnered with various software vendors to provide the best possible results. Most conversion types can be adjusted to your needs such as setting the quality and many other options.
Our API allows custom integrations with your app. You pay only for what you actually use, and there are huge discounts for high-volume customers. We provide a lot of handy features such as full Amazon S3 integration. Check out the API documentation.