Pretty Search Permalinks

It is possible to register and display frequently searched words in site search.

Transforms default bbPress permalinks (URLs) that use slugs into permalinks that use numeric IDs.

Removes the category base slug from the category archive permalinks (URL's).

The plugin automatically redirects users who have accessed a blog post link without the category to the one which has the category and therefore avoid …

Media Post Permalink is simply the easiest solution to separate your media/attachment Permalinks.

Remove base slug of Custom Post Types and change the permalink structure of Custom Post Types.