jpegoptim
Optimize JPEG images. tldr-pages
On several platforms
Several platforms
Optimize a set of JPEG images, retaining all associated data
jpegoptim image1.jpeg image2.jpeg image3.jpeg ...IdentifyOptimize JPEG images, stripping all non-essential data
jpegoptim --strip-all image1.jpeg image2.jpeg image3.jpeg ...IdentifyForce the output images to be progressive
jpegoptim --all-progressive image1.jpeg image2.jpeg image3.jpeg ...IdentifyForce the output images to have a fixed maximum filesize
jpegoptim --size 250k image1.jpeg image2.jpeg image3.jpeg ...Identify