pngcrush topic
ImageOptim-CLI
Make optimisation of images part of your automated build process
density-converter
A multi platform image density converting tool converting single or batches of images to Android, iOS, Windows or CSS specific formats and density versions given the source scale factor or width/heigh...
icongenie
CLI tool to generate all the icons and splashscreens for your Quasar Apps
emage
🧙♂️ From developers to developers: a cross-platform tool for losslessly image compression.
pngcrush
It is a free, open source command-line utility for optimizing PNG image files ( batch script included ).
imageopt
TYPO3 extension imageopt. Optimize images resized by TYPO3 so they will take less space, page will be downloaded faster and Google PageSpeed Insights score will get higher.