DevKit is a WordPress plugin that adds the power of code editing to your WordPress Customizer. Seamlessly build your sites in the Cusotmizer while working with your favorite DOM inspector, and add custom CSS and Javascript directly to the customizer preview. Inline code linting helps identify problems and helps you streamline your code while previewing effects immediately. Exports code into preformatted code blocks, complete with responsive media queries, ready for use in your next project.