A professional, modular debugging toolbar for developers. Inspect SQL, Rewrite Rules, Hooks, Cron events, and Options without cluttering the frontend.
Alternatives to KL Debug
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.
Clarke Template Debugv0.2.1
Shows the active theme template file in the toolbar or a small panel, for chosen administrators only.
Simply and easy-to-use the customize for Admin and Frontend. A lot of custom filters and actions, and included the developer tools.
WP Output Log Filev1.3.0
Manage log files with custom directory and filename. Download and delete logs regardless of WP_DEBUG.
Variable Inspectorv2.7.1
Inspect PHP variables on a central dashboard in wp-admin for convenient debugging.
Log PHP, database and JavaScript errors via WP_DEBUG with one click. Conveniently create, view, filter and clear the debug.log file.
Developer Debug Toolsv3.0.5
Lots of debugging and testing tools for developers.
LiKoToN Debug Logsv2.0.0
A lightweight debugging plugin that collects PHP, WordPress, REST API and login logs with filters, dark mode, infinite scroll and CSV export.
Debug Bar Consolev0.3.1
Adds a PHP/SQL console to the Debug Bar. Requires the Debug Bar plugin.
Developer Debug Modev1.2.5
Toggle WordPress debug mode instantly. No wp-config.php editing needed. Features auto-save, admin bar quick toggle, and debug log viewer.