A professional, modular debugging toolbar for developers. Inspect SQL, Rewrite Rules, Hooks, Cron events, and Options without cluttering the frontend.
Alternatives to Deprecation Checker
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.
A powerful frontend inspector and navigator for Elementor that helps developers debug, inspect elements, and analyze performance.
Add a WP Admin page for debugging the HTML API.
Pipe9 WSOD Debuggerv1.3.3
Automatically detects White Screen of Death crashes, identifies the culprit plugin/theme, and provides an emergency rescue panel to recover your site.
Collects WordPress diagnostic data, redacts sensitive info locally, and uses Cloudflare Workers AI to explain issues and suggest fixes.
A WordPress plugin for debugging & troubleshooting. Safely simulate plugin deactivation, theme switching, and WP_DEBUG.
Check PHP compatibility for every plugin and theme, PHP 8.0 to 8.6, before your host upgrades. Scans the files on your own server.
KAGG Compatibilityv2.6.0
The plugin blocks error messages of any level from WordPress core, plugins, and themes.
Profiling Tool For WPv1.3.1
A plugin for testing the performance of the themes, plugins and scripts of your Wordpress site.
ErrorWatcherv1.0.7
Real-time PHP error, warning, notice, and deprecation monitor with a dedicated admin dashboard, smart deduplication, and automated email digests.