von: https://stackoverflow.com/questions/2654281/how-to-remove-exif-data-without-recompressing-the-jpeg von: https://stackoverflow.com/questions/13646028/how-to-remove-exif-from-a-jpg-without-losing-image-quality/17516878#17516878
exiftool -all= image.jpg
exiftool -all= *.JPG
22 image files updated
exiftool -all= *.jpeg
4 image files updated