Manual Coding and Graphic DesignMost professional skinners use a combination of Adobe Photoshop (or GIMP) and a text editor like Notepad++.
Virtual DJ skins are not just static images. They are interactive interfaces built using a combination of XML code and graphic assets. The XML file acts as the brain, telling the software where buttons are located and what they do. The graphic files, usually in PNG or BMP format, provide the visual "skin" that users see.
You do not have to start from zero. The Virtual DJ community is massive.