macos
ImageOptim: makes images load faster (Free software)
ImageOptim allows you to remove bloated metadata. Save disk space & bandwidth by compressing images without losing quality. Features * Reduces image file sizes * Removes invisible junk * Seamlessly combines all the best image optimization tools: MozJPEG, pngquant, Pngcrush, 7zip, SVGO and Google Zopfli. Open source ImageOptim is free, open-source software