Add or substract X hours to photo's date exiftool -alldates+=X -filemodifydate+=X -filecreatedate+=X -overwrite_original *.JPG Change photo modification date to match exif timestamp exiv2 -T rename *.jpg Change .JPG extension to .jpg for f in *.JPG; do mv -- "$f" "${f%.JPG}.jpg"; done Set jpg filenames to photo original datetime exiftool -ext jpg '-FileName<DateTimeOriginal' -d %Y_%m_%d__%H_%M_%S%%-c.%%e . Set jpg filenames to photo creation file exiftool -ext jpg '-FileName<CreateDate' -d %Y_%m_%d__%H_%M_%S%%-c.%%e . View photo metadata exif DSC00769.jpg Sometimes the file created date is wrong even if the taken date is right (check with ls -al and exif file.JPG) exiftool -filemodifydate+=7 -overwrite_original *.JPG Resize and compress for pixel 8 pro @ 50MP mogrify -resize 30% -quality 90% *.jpg
