When using the Customizer is not enough - Create a child theme from your installed themes and customize…
Plugin directory
child theme plugins
WordPress plugins for child theme. Launch any one in a live sandbox in seconds.
Create Child Themes quickly and easily from any theme that you have currently installed on your site/blog.
WP Child Theme Generator is an easy solution to all your child theme creating problems!
Create a child-theme from the Theme Customizer.
Creates a child theme with one click and lets you customise its options.
Create child themes of any WordPress themes effortlessly with Generate Child Theme.