cereal-s/command.md

Last active November 28, 2019 12:20

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Add contrast to pale PDF document with ImageMagick and pdfimages

Raw

command.md

COMMANDS

  pdfimages -j -p file.pdf ./images/prefix
  cd images
  mogrify -level 80%,85% -sharpen 0x1 prefix*.jpg
  convert -background white -page a4 prefix*.jpg new.pdf

NOTES

If ImageMagick returns a not autorized error go to /etc/ImageMagick-VERSION/policy.xml and change the line:

  <policy domain="coder" rights="none" pattern="PDF" />

To:

  <policy domain="coder" rights="read|write" pattern="PDF" />