Have you ever had to make changes to your permalinks? It is easy when you have only a few pages to deal with. Things are more complicated for complex sites though. With Permalink Manager for WordPress, you will be able to manually adjust your permalinks for all your posts and pages. You will also be able to replace words in your permalinks in bulk.
The plugin allows you to change the structure of your permalinks for your posts. You can also reset them for updated posts. When you make changes to your URLs, it is essential to redirect your old addresses to new URLs. This plugin can handle that too.
The Find and Replace feature makes it a whole lot easier to make changes to multiple URLs in your database. This is a free script.
[where to download it]