by Michael Revellin-Clerc on WordPress.org
See clearly and understand how WordPress rewrite rules work within a simple and clean interface

Dark UI Interface
Understand how rewrite rules work could be userful.
Natively on WordPress you can’t analyze what’s working / not working regarding your urls.
Through this interface you will be able to analyze every single url and see what’s matching.
Warning
This tool will not change / add any rules for you it’s only an analyzer