==== How to optimize jpeg image sizes ==== \\ Install the package (on Debian-based) apt install jpegoptim We can now remove the metadata # optimize image without lossing quality jpegoptim -f -p AFILE.JPG # lossless # optimize to a fixed bytes size jpegoptim -f -p -S [OPTIMIZE_TO_BYTES] *.JPG # optimize to a percentage threshold jpegoptim -f -p -S '80%' *.JPG