This free online application based on the GroupDocs.Viewer API displays the CDR files on your device. We value your privacy, so the file is visible to you only. You can print the file you are viewing directly from your browser. You can also download the PDF file to share with someone or view later. CDR is a vector file format, used for drawings by Corel Draw. The CDR is a proprietary format developed by Corel Corporation. CloudConvert is your universal app for file conversions. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. CDR files are the default format of CorelDRAW, a vector graphics software. Learn how to open, save, convert and create CDR files using CorelDRAW on Windows or Mac, and how to import other file formats into CDR. A CDR file is a vector drawing image file that is natively created with CorelDRAW for storing digital image encoded and compressed. Such a drawing file contains text, lines, shapes, images, colours and effects for vector representation of image contents.