• exiftool

    1 min read · Documentation Metadata

    Find metadata.

    1exiftool image.jpg

    Find info on all images in current directory.

    1exiftool -ext .png .

    You can make this recurring with the -r switch.

    And overwrite all metadata:

    1exiftool -all= -overwrite_original -ext jpg .

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

    Or just GPS data:

    1 …

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  • PDF Metadata Erasure

    1 min read · Documentation Metadata Ghost Script

    Make a text file called 'pdfmark.txt'.

    1[ /Title ()
2/Author ()
3/Subject ()
4/Creator ()
5/ModDate ()
6/Producer ()
7/Keywords ()
8/CreationDate ()
9/DOCINFO pdfmark

    Then run:

    1gs -o output.pdf -sDEVICE=pdfwrite "$FILE".pdf pdfmark.txt

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