magick convert -density 300 ./old.pdf -brightness-contrast 20X10 -contrast-stretch 1% -compress JPEG -quality 80 ./new.pdf
// For darkening / coloring light images - use -gamma .7
Last active
June 5, 2025 08:41
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Save bendtherules/d4c1981f4e069c4aed2d8b2275e26e5e to your computer and use it in GitHub Desktop.
Cleanup scanned pdf contrast using imagemagick
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