File-Magic is a versatile file management tool that makes easy the process of managing, and managing a wide variety of file formats, especially hard-to-handle and varied "dot" extensions.
If you need to work with standard formats including .jpg, and even uncommon ones like . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/