Plugin Directory

Rewrite Rules Inspector

Automattic

A simple admin tool for inspecting rewrite rules.

Debug Bar Rewrite Rules

Oleg Butuzov

Debug Bar Rewrite Rules adds a new panel to Debug Bar that displays information about WordPress Rewrites Rules (if used).

WP Permastructure

Robert O'Rourke

Adds the ability to configure permalinks for custom post types using rewrite tags like %post_id% and %author%.

Rewrite Rule Testing

Matthew Boynes

Unit test your rewrite rules from the WordPress Admin.

Debug Bar Rewrite Rules

Kerfred

Displays the current rewrite rules for the site. Requires the debug bar plugin.

Permapilot – Automatic Permalink Refresh

guyargaman

Never re-save Settings → Permalinks again. Fixes 404s on new post types, taxonomies and custom routes automatically.

Category Post URLs

maheshkathiriya

Add Category and Subcategory in Wordpress Post URLs, Set a hierarchical URLs like nested sub category : category-name/sub-category-name/sub-category- …

Static Suffix – Site Wide .html Extension

Rishabh Gupta

Appends a .html suffix to the permalinks of selected post types and taxonomies.