You can easily convert JFIF image files using MacUncle JFIF Converter. The tool supports Mac OS Machines.
Start MacUncle JFIF Converter on your Mac Computer.
Select JFIF files/folder using Add File(s) or Add Folder(s).
Choose the required folder from the selected folder or file. And press Next button.
Browse destination Location to save converted JFIF files. Choose saving format from JPG, PNG, BMP, GIF, PDF, DOC, DOCX, HTML, etc. etc.