This plugin will automatically 301 redirect your old 'postname' format permalinks so you don't lose your precious SEO.
Easy way to redirect post to another post
mg Redirect is used to redirect post/pages to a user defined url (internal or external) using a simple shortcode.
Redirect a chosen slug, "latest" by default, to, well, the most-recently published post.
Easily redirect to your latest post. Default is "latest-post". Excellent for instagram or other platforms where you want to have 1 link that