Created
April 9, 2020 23:58
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| convert -density 150 input.pdf -rotate "$([ $((RANDOM % 2)) -eq 1 ] && echo -)0.$(($RANDOM % 4 + 5))" -attenuate 0.4 +noise Multiplicative -attenuate 0.03 +noise Multiplicative -sharpen 0x1.0 -colorspace Gray output.pdf |
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Convert a pdf to appear more scanned eg. to make a bank happy with a digital signature and avoid medieval printing and signing actual paper. via https://news.ycombinator.com/item?id=22811653