Never re-save Settings → Permalinks again. Fixes 404s on new post types, taxonomies and custom routes automatically.
Alternatives to Rewrite Rule Testing
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Appends a .html suffix to the permalinks of selected post types and taxonomies.
Turn your WordPress menu into smart navigation. Show the right links to the right people.
Rewrite Rules Inspectorv1.6.0
A simple admin tool for inspecting rewrite rules.
Debug Bar Rewrite Rulesv1.1.4
Displays the current rewrite rules for the site. Requires the debug bar plugin.
Url Rewrite Analyzerv1.3.6
See clearly and understand how WordPress rewrite rules work within a simple and clean interface
TOBIUO registers post types, taxonomies and custom permalink structures configured entirely in theme code.
Transforms default bbPress permalinks (URLs) that use slugs into permalinks that use numeric IDs.
Custom Post Type Rewritev1.2.2
Custom Post Type Rewrite plugin adds default custom post type permalinks.
Backend A/B testing for WordPress. Variant assignment happens server-side — no flicker, no JavaScript redirects, no duplicate URLs.