Best debugger plugins for WordPress
The most popular debugger plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Debug This leads with 2K+ active installs, ahead of Kint PHP Debugger (90+) and WP Tracy (60+). All 14 plugins tagged “debugger” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 debugger plugins
- 1.
Debug ThisThe most installed debugger plugin, with 2K+ active installs. Rated 4.8 from 17 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 2.
Kint PHP Debugger90+ active installs. Rated 5.0 from 12 reviews, last updated 7 years ago. Tested only up to WordPress 5.1.28.
- 3.
WP Tracy60+ active installs. Rated 5.0 from 6 reviews, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 4.
wp-dBug60+ active installs. Only 2 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.
- 5.
DP Debug Menu20+ active installs. Only 3 reviews so far, last updated 5 years ago. Tested only up to WordPress 5.6.23.
- 6.
Debug Toolkit10+ active installs. Rated 5.0 from 13 reviews, last updated 7 years ago. Tested only up to WordPress 5.1.28.
- 7.
Deprecation Checker10+ active installs. Only 2 reviews so far, last updated 14 years ago. Tested only up to WordPress 3.3.2.
- 8.
Debugger10+ active installs. Only 2 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.6.1.
- 9.
CU Debug Tool by CodeUnion10+ active installs. Only 1 review so far, updated 3 months ago.
- 10.
debugWP10+ active installs. Only 2 reviews so far, last updated 13 years ago. Tested only up to WordPress 3.5.2.
All 14 plugins tagged “debugger”
Debug This
Down in the last 7 days:15#4,819by Razvan Aldea1 year ago
Peek under the hood with sixty debugging reports just one click away.
- Installs
- 2K+
- Rating
- 4.8(17)
- Downloads
- 21/day
Kint PHP Debugger
Down in the last 7 days:37#17,057by Tonya Mork7 years ago
Kint is a modern and powerful PHP debugging helper, which requires zero-setup and replaces var_dump(), print_r() and debug_backtrace().
- Installs
- 90+
- Rating
- 5.0(12)
- Downloads
- 5/day
WP Tracy
Down in the last 7 days:226#19,339by Martin Hlavac8 years ago
WP Tracy is a plugin that automatically inserts debugger (Nette) Tracy into WordPress.
- Installs
- 60+
- Rating
- 5.0(6)
- Downloads
- 0/day
wp-dBug
Up in the last 7 days:22#19,856by vhauri14 years ago
Plugin implements the awesome dBug class created by Kwaku Otchere for use in WordPress plugin debugging
- Installs
- 60+
- Rating
- 5.0(2)
- Downloads
- 3/day
DP Debug Menu
Up in the last 7 days:138#25,586by Dan-Lucian Stefancu5 years ago
Quickly shows the template used for current page, number of queries, and execution time for PHP code.
- Installs
- 20+
- Rating
- 5.0(3)
- Downloads
- 0/day
Debug Toolkit
#29,339by Tonya Mork7 years ago
Code debug made easier and more enjoyable.
- Installs
- 10+
- Rating
- 5.0(13)
- Downloads
- 5/day
Deprecation Checker
#30,121by Brian Fegter14 years ago
Deprecation Checker simply scans your plugins, themes, and custom directories for deprecated functions.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day
Debugger
Up in the last 7 days:252#34,370by Modern Tribe, Inc.13 years ago
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 …
- Installs
- 10+
- Rating
- 4.5(2)
- Downloads
- 0/day
CU Debug Tool by CodeUnion
#45,357by hydr4x3 months ago
A professional, modular debugging toolbar for developers. Inspect SQL, Rewrite Rules, Hooks, Cron events, and Options without cluttering the frontend.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
debugWP
Down in the last 7 days:3,521#46,521by soap_media13 years ago
A Plugin for Wordpress that displays additional information to help the developer.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 6/day
Open in Social Debugger
Down in the last 7 days:3,945#48,512by neurotraveleu6 years ago
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.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
G Debugger
#58,654by Andrew Duthie7 years ago
Visual debugging tools for block development.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day