An important feature of Slim SEO Link Manager is the link updater tool. This tool helps you to update an URLs in all posts in your website. It's very helpful when you want to fix a broken link, or update an old link.
To use the tool, go to Tools tab and click the Link updater button:
A new form will appear to allow you enter the old link and the new link:
Click the Update button when you finish. The plugin will search through all posts for the old link and replace it with a new link.