WordPress debugger plugins

Peek under the hood with sixty debugging reports just one click away.

Dump variables and traces in an organized and interactive display. Integrates seamlessly with Debug Bar.

Comprehensive WordPress performance analysis with crawling, load time measurement, server diagnostics, and integrated optimization tools. Free.

Kint is a modern and powerful PHP debugging helper, which requires zero-setup and replaces var_dump(), print_r() and debug_backtrace().

WP Tracy is a plugin that automatically inserts debugger (Nette) Tracy into WordPress.

Easy-to-use plugin for debugging and profiling website loading, SQL queries analysis, help with development, bug fixing, all in configurable popup.

Plugin implements the awesome dBug class created by Kwaku Otchere for use in WordPress plugin debugging

Quickly shows the template used for current page, number of queries, and execution time for PHP code.

Code debug made easier and more enjoyable.

Deprecation Checker simply scans your plugins, themes, and custom directories for deprecated functions.

A Plugin for Wordpress that displays additional information to help the developer.

You can use this plugin to manually log data or to capture logging on WordPress actions. You can capture load time, memory, backrace, data dumps, urls …

A professional, modular debugging toolbar for developers. Inspect SQL, Rewrite Rules, Hooks, Cron events, and Options without cluttering the frontend.

Show helpful debug bar at front and admin side. Tool for developers.

This plugin adds an “Open In Social Debugger” link to the admin bar, which opens the current page or post in a social network debugger.

Lists WordPress require() calls mainly for plugin code refactoring.

Visual debugging tools for block development.

Admin page debugger tool