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Make a pdf look scanned using ImageMagick
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| # use ImageMagick convert | |
| # the order is important. the density argument applies to input.pdf and resize and rotate to output.pdf | |
| convert -density 90 input.pdf -rotate 0.5 -attenuate 0.2 +noise Multiplicative -colorspace Gray output.pdf |
On my ubuntu 20.04 machine this also added the PDF Metadata Tag producer=ImageMagick in the output. You might want to edit that out: https://askubuntu.com/questions/27381/how-to-edit-pdf-metadata-from-command-line
exiftool -Producer="" output.pdf
Using a realistic scanner name instead of the blank string is an exercise left for the reader 😛
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