png jpeg images batch optimization with jpegoptim and optipng

images_opt.md

install deps

sudo apt-get install jpegoptim
sudo apt-get install optipng

change ./ for your images folder

find ./ -type f -iname *.png -print0 | xargs -0 optipng -nc -nb -o7
find ./ -type f -iname *.jpeg -exec jpegoptim --max=70 --all-progressive -p {} \;