This is just a list of useful links
Give it 2 colors and it gives you the CSS for a gradient
Give a spritemap (image with several icons) and it shows all the positions of each icon.
Takes HTML and squishes it into a single block. Reduces the size, but also makes sure composer doesn't mangle the code.
Takes JS and squishes it into a single block. Reduces the size, but also makes sure composer doesn't mangle the code.
Inverse of the minifier. Takes a block of squished code and lays it out so us poor humans can read it.
Creates favicon packs for all the web icon formats from an image.