Upload your file to a free online SDR viewer tool (such as GroupDocs Viewer).
Once your file is a JPG, you can crop, rotate, or enhance it using standard photo editing tools. How to Convert SDR to JPG Online (Step-by-Step)
If you have installed, you can simply open the file and use File > Export > Image to save it as a high-quality JPG locally, which is more secure and preserves the best resolution.