Prettier : Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re-printing it with its own rules that take the max...
Trimage (lossless) image compressor : Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, pngcrush, advpng and jpegoptim
PunyPNG : PunyPNG is a free website optimization tool that dramatically reduces the file size of your images without any loss of quality.
Squoosh : Squoosh is an image compression web app that allows you to dive into the advanced options provided by various image compressors.
fuelux : Extends Twitter Bootstrap with additional lightweight JavaScript controls. Easy to install, customize, update, and optimize. All functionality covered...
Use this tool to create data streams for embedding images (or any type of file) in (X)HTML, CSS and XML.