ImageMagick conversions

Helpful one-liners and small scripts for batch processing of images.

Drop Quality factor of JPEG files

for imageFile in *.jpg; do convert -quality 25 $imageFile $imageFile; done

Resize JPEG files

for imageFile in *.jpg; do convert -resize 2048x2048 $imageFile $imageFile; done

Largest dimension will be 2048 pixels

Resources
http://www.wizards-toolkit.org/discourse-server/viewtopic.php?f=1&t=18409

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