JConverter helps you to convert your WordPress blog into a Joomla site. It can import users,categories, posts, pages, comments, menus and even images from your WordPress blog to Joomla.
It’s very easy to use. Just install it, select the options you want to imports from WordPress and click on “Start Conversion”. It queries the WordPress database for blog posts, pages, users, links and categories and converts them to Joomla format. All in just one click.