SDW is an open source document file that is associated with OpenOffice.org. This file is created with earlier versions of StarWriter. In the later versions of StarWriter SXW extension is used instead of SDW. SDW supports some basic document format options.
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 do support nearly any audio, video, document, ebook, archive, image, spreadsheet or presentation format. No need to download and install any software.
High Quality Conversions
Besides using open source software under the hood, we have 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 only pay for what you actually use and there are huge discounts for high volume customers. We do provide a lot of handy features, such as a full Amazon S3 integration. Check out the API documentation.