lk/data/exiftool.md

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exiftool
Documentation
Metadata

Find metadata.

exiftool image.jpg

Find info on all images in current directory.

exiftool -ext .png .

You can make this recurring with the -r switch.

And overwrite all metadata:

exiftool -all= -overwrite_original -ext jpg .

(NB: This does not work on pdf data. See here for erasing all pdf data)

Or just GPS data:

exiftool -gps:all= *.jpg

You can also use the imagemagick tool:

identify -verbose