First, open the image in the Preview app. Then, go to File > Export. Here, choose JPEG as the format and click Save. This will create a new file in the same folder as the original image.
If nothing has worked so far, you can try saving your file in a different format and then converting it to JPEG on your computer. I recommend using TIFF, but these steps also worked for me when I ...
A JPEG is one of the most widely used file formats for a digital photograph. The file format’s widespread popularity means the file can be opened by nearly any device and thousands, if not ...