The plugin adds a button in the richtext editor which allows you to easily generate the short code for Contact Form 7 WordPress plugin.
It saves you typing the short codes and therefore reducing the chance of typos.
The plugin is very easy to use. You just select a form from a dropdown and it will generate the necessary shortcode.

 

Contact Form 7 UI screenshot-1Contact Form 7 UI screenshot-2

 

Download (free)

http://wordpress.org/extend/plugins/contact-form-7-ui/