The command line is frequently perceived as being unnecessary, intimidating and even obsolete. However, it can be quite easy to learn and use, and after a little practice its value becomes apparent. The command line is powerful. With the help of the command line a tedious job can be turned into a task that would take just a few seconds. It’s especially useful for batch-processing of large numbers of graphic files. We have developed the web-site that is supposed to make the power and utility of the command line more familiar to the users. Our goal is to present consistent command line user experience. If you are just a beginner and are trying to learn a set of commands, you will appreciate a new “search” option available just entering the keyword there and get a response within seconds.