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jzhou77/Remove PDF file restrictions

Last active July 22, 2025 10:24
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Remove PDF file restrictions
Use open source QPDF:
$ qpdf --decrypt input.pdf output.pdf
And the restrictions were removed. Note that the original PDF was not password protected.
Another way of using ghostscript:
$ gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=OUTPUT.pdf -f INPUT.pdf
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