This plugin automates setting up 1-to-1 mapping between Blogger.com (blogspot) blog posts and your new WordPress blog posts.

Help to create 301 permanent redirection URL rewrite rules for .htaccess.

You can use the tags which are defined by the WordPress as mentioned here. Also, you can use the tags which are customily defined by this plugin for PostTypes and Taxonomies. You can also find these tags in Permalinks Customizer menu on WordPress Dashboard (if the plugin is installed).

This plugin helps you to set your permalinks by using custom taxonomies just like you use %category% or %postname% in your permalink structure.