P3 (Plugin Performance Profiler)

See which plugins are slowing down your site. This plugin creates a performance report for…


GoDaddy.com 100,000+ active installs Tested with 4.1.17 Updated 2 years ago

Query Monitor

View debugging and performance information on database queries, hooks, conditionals, HTTP requests, redirects and more.


John Blackbourn 20,000+ active installs Tested with 4.7.4 Updated 2 months ago

Phpinfo

Prints out your webservers php settings as well as other information about your WordPress installation.


Roland Rust 1,000+ active installs Tested with 2.2.2 Updated 10 years ago

WP PHP Console

An implementation of PHP Console as a WordPress plugin. Use Chrome Dev Tools to debug…


Fulvio Notarstefano 1,000+ active installs Tested with 4.5.8 Updated 11 months ago

RS System Diagnostic

Easily gather all the your WordPress and site configuration data in seconds, and send it…


Scott Allen 500+ active installs Tested with 4.7.4 Updated 1 month ago

AskApache Debug Viewer

Extreme Advanced debugging plugin for seeing the verbose of the verbose debug info. Tech Support,…


askapache 400+ active installs Tested with 4.0.17 Updated 3 years ago

WordPress Sentry Client

A plugin that sends error messages to the Sentry error logging system.


Ryan Bagwell 300+ active installs Tested with 3.4.2 Updated 12 months ago

Debug My Plugin with Debug Bar

Debug your plugin with the help of Debug Bar. Puts debugging messages in the drop…


Charleston Software Associates 200+ active installs Tested with 4.0.17 Updated 3 years ago

BlackBox Debug Bar

BlackBox is a plugin for plugin and theme developers. It collects and displays useful debug…


Grzegorz Winiarski 200+ active installs Tested with 3.5.2 Updated 4 years ago

Simple WP FirePHP

Extremely simple mechanism for embedding FirePHP into WordPress to use FirePHP during WP Development.


Cori Schlegel 100+ active installs Tested with 2.9.2 Updated 7 years ago

System information

Adds a system information page that include all the details on your WordPress configuration.


Joe's Web Tools 100+ active installs Tested with 3.8.20 Updated 3 years ago

WP Email Debug

Never accidentally send users emails from your testing sites again!


Grant Derepas 100+ active installs Tested with 4.3.10 Updated 2 years ago

Google Ad Console

Add a toggle for the Google Publisher Console to the WordPress admin bar.


Steve Grunwell 100+ active installs Tested with 4.2.14 Updated 2 years ago