exiftool

exiftool - Read and write meta information in files

• see also qpdf for manipulating pdf files

remove metadata from images / videos / media files

this removes all metadta from images and videos etc., it’ll create a copy of the original.

keep orientation / rotation:

exiftool -all:all= -tagsfromfile @ -exif:Orientation image.png

overwrite orignal image:

exiftool -overwrite_original -all:all= -tagsfromfile @ -exif:Orientation image.png

source

remove everything:

exiftool -all= image.png

if you want to overwrite the existing file:

exiftool -overwrite_original -all= image.png