You can configure plugin very easy.
After installing you can Enable Log 404 Errors and you will see bad Urls on your store.
Plugin has special list for adding mapping beatween Request Url and Target Url and status code.
If you need to import many routes you can use the next CSV format of files.
This file has 3 columns.
Each product, category and manufacturer page in admin mode has new tab with redirected routes. It can help you manage them fast.