In that case, you can use the trusty old Preview app to convert images to JPEG. First, open the image in the Preview app. Alternatively, a simple drag and drop gesture is enough to turn an HEIC ...

Once it's loaded, press Ctrl + P to print, or use the print icon at the top-right of the Photos app. 3. In the menu that ... hit Enter on your keyboard. Your JPG should now be saved as a PDF ...