To Highlight a Pixel Simply click on it, to delete a Pixel simply press Space and click on it. At the Bottom you can see the caracter data, wich you can use in many projects that have a row of 1s and 0s in the character data list.
I found this very usefull tool in a project of Kadir_Craft and optimized it. THIS TOOL IS NOT COMPLETLY BY ME! I only made some changes myself.