Best debugging plugins for WordPress

Ferret

Down in the last 7 days:1,221#45,479

by Leap Spark6 years ago

Ferret is a simple wrapper for the Sentry PHP and JavaScript SDKs. It will catch all PHP errors, as well as JavaScript errors if the option is switche …

Simple WP FirePHP

Down in the last 7 days:4,460#45,626

by corischlegel16 years ago

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

WP Debug Robot

Down in the last 7 days:8,264#45,818

by Matthew Batchelder12 years ago

An unobtrusive debugging tool for WordPress

TIVWP-DM Development Manager

Down in the last 7 days:2,893#46,604

by Gregory K. (@tivnet)12 years ago

Install and manage development plugins

Advanced REST API DevTools

Up in the last 7 days:656#46,853

by Tejas Gajjar7 months ago

Postman-inspired REST API explorer, tester, debugger, profiler & logger — fully inside WordPress admin.

Easy Error Log

#47,984

by Sabbir Sam9 months ago

Effortlessly track and manage WordPress debug.log on your WordPress site. Streamline the debugging process with Easy Error Log.

MySQL Profiler

Down in the last 7 days:4,967#48,500

by tombenner14 years ago

Displays a list of each page's SQL queries and the functions calling them that can be searched and sorted by time, type, etc.

HookTrace

Up in the last 7 days:9,081#50,515

by SmilingSyntax9 months ago

Cross-Plugin Debug & Trace Recorder - Records and visualizes hook execution order for WordPress developers.

WebOsmotic AI Site Debugger

#52,030

by sainawebosmotic77 days ago

Collects WordPress diagnostic data, redacts sensitive info locally, and uses Cloudflare Workers AI to explain issues and suggest fixes.

Backtrail

Up in the last 7 days:268#53,091

by thomasbkc1 month ago

See what changed on your site right before it broke.

WindCodex Forge

#53,979

by WindCodex21 days ago

Give Claude, ChatGPT, and MCP AI platforms safe, read-only access to inspect WordPress files, database, and hooks. Safe to run live.

digitalDot Diagnostics Export for Query Monitor

Up in the last 7 days:6,691#55,223

by digitalDot Servicios Informáticos26 days ago

Export performance diagnostics from Query Monitor into private log files and locally prepared ZIP packages for manual analysis.

Re{code} Cron Viewer

#55,381

by re{code}commerce9 months ago

A lightweight WordPress plugin to view and debug all scheduled WP-Cron tasks.

IRONCREED Request Log

Up in the last 7 days:11,667#55,742

by ironcreed1 month ago

Inspect bounded WordPress requests and optionally scheduled Hosting Ukraine nginx access logs with privacy controls.

DockTHOR

#57,331

by Jacek Sultan7 months ago

DockTHOR is a lightweight WordPress integration for sending PHP errors and exceptions to the THOR monitoring platform.

Gorilla Debug

Up in the last 7 days:11,319#57,373

by gorillasolutions5 years ago

Gorilla Debug is a simple WordPress plugin. It is geared towards helping programmers with the development of WordPress themes and plugins.

Watrix Login as User

#57,464

by wataru takahashi15 days ago

Securely impersonate any user account as an administrator and switch back to your original account with one click.

ScriptTrace

#57,558

by devfixture10 days ago

Capture frontend JavaScript errors and failed resource loads, group repeated reports, and optionally copy errors to the PHP log.

AnyWareX Debug Switch

Down in the last 7 days:2,638#57,625

by AnyWareX26 days ago

A compact WordPress debugging control and debug.log viewer.

Menulookin Admin Menu Debugger

#57,932

by samiur66881 month ago

Inspect WordPress admin submenu menu slugs and identify their actual hook suffixes through a simple developer debugging interface.

RobArt Update Guard

Down in the last 7 days:5,076#57,948

by Rob Art14 days ago

Find deprecated WordPress APIs and PHP compatibility risks in your plugins. Get the file, line, severity and suggested fix. Private, local scanning.

CrashAlert

#58,593

by yodsira26 days ago

Fatal error alerts to Telegram, email and webhook — with plain-language explanations, culprit attribution and a recovery notice.

G Debugger

#58,626

by Andrew Duthie7 years ago

Visual debugging tools for block development.

Anonindo Conflict Detector

#59,051

by Akshay Vasoya6 months ago

Detect likely plugin conflicts, review logged PHP fatal errors, and follow a safer manual troubleshooting workflow inside WordPress.

Shakebug

Down in the last 7 days:9,886#59,373

by Softnoesis9 days ago

Report bugs and crashes from WordPress websites directly to your Shakebug dashboard.

Conflict Radar

#60,452

by forgeo.dev3 months ago

Know exactly which plugin update broke your site. Conflict Radar tracks every update, reads your PHP error log, and scores your site's health.

Safe Changes

Down in the last 7 days:9,579#60,636

by prespromo10 months ago

Track important changes in your WordPress site so you always know what happened before something breaks.

MH Submission Diagnostics for Contact Form 7

Up in the last 7 days:11,000#60,791

by Muhammad Haris1 month ago

Contact Form 7 submission diagnostics and logging for validation, mail delivery, browser events, repeaters, and file uploads.

AMG Labs Cron Inspector

Down in the last 7 days:11,394#61,161

by amglabs2 months ago

A lightweight admin tool to inspect, monitor, and manually trigger WordPress cron events.

Spawn

Down in the last 7 days:3,611#61,882

by Andrew Mead1 month ago

One click to verify that WP-Cron is working correctly on your WordPress site

DebugBundle

Up in the last 7 days:1,002#62,225

by Owen Far2 days ago

Turn WordPress PHP errors and browser exceptions into DebugBundle reports for developers and AI agents.

RuntimeGuard

#62,455

by Neeraj Kumar6 months ago

Detect hidden errors in your WordPress site with real-time monitoring, logging, and alerts for runtime issues.

ErrorWatcher

Down in the last 7 days:12,406#62,472

by IT Path Solutions1 month ago

Real-time PHP error, warning, notice, and deprecation monitor with a dedicated admin dashboard, smart deduplication, and automated email digests.

Nariyanto Cron Diagnostics

#62,693

by nariyanto5 months ago

Find duplicate, stuck, and suspicious WordPress cron events before they cause support issues.

DevPulse

Up in the last 7 days:2,447#62,900

by sekolahcode2 months ago

Real-time error tracking and performance monitoring for WordPress — self-hosted and free.

Samudra Log

Up in the last 7 days:4,144#62,966

by wakamin5 years ago

Write log for debugging Wordpress site.

LagReveal

#63,071

by softlinkx3 days ago

Find slow queries, server delays and heavy files on WordPress pages. Test as a visitor to see how the page loads.

Ozosh DevTools

Down in the last 7 days:3,354#63,208

by Ozosh Maharjan2 months ago

A modular collection of temporary development tools for building, testing, and debugging WordPress websites.

Dev Studio

Up in the last 7 days:4,159#63,775

by SolidBunch5 years ago

Development environment for Wordpress developers

Query Monitor GiveWP

Up in the last 7 days:6,500#63,831

by Michael Beckwith8 years ago

Add GiveWP information to Query Monitor

IndiaTVDNA Performance Monitor

Up in the last 7 days:4,131#63,858

by IndiaTVDNA | WordPress Plugins & Themes18 days ago

WordPress performance diagnostics with 27 Free tool screens, error investigation, slow-query analysis and opt-in monitoring.

Capveriq

Down in the last 7 days:8,132#65,113

by Muhammad Mujahid Sarfraz1 month ago

Find out why a WordPress user cannot access an admin page by inspecting roles, capabilities, menu requirements and runtime permission checks.

Nonce Failure Explainer

Down in the last 7 days:9,689#65,441

by Syed Shahzaib Hassan2 months ago

Explains "Are you sure you want to do this?" and "Security check failed" errors: finds the failed nonce check and names the likely cause.

Daisy Debug

Down in the last 7 days:5,342#65,771

by DaisyPlugins1 year ago

A beautiful debugging tool that lets you manage debug settings without editing wp-config.php file.

Privileged Conflict Diagnostics

Up in the last 7 days:930#65,938

by privilegedusa6 months ago

Diagnose likely plugin and theme conflicts by scanning assets, hooks, AJAX, REST routes, and compare-based test mode results.

MSBD Logs

Down in the last 7 days:9,857#67,683

by Shah Alom6 months ago

Simple logging helper for plugin and theme developers with an admin UI to view and manage log files.

WebCrew Site Detective

#68,139

by webcrewcz1 month ago

Find what changed before your WordPress site broke. A free activity timeline, detective scan, diagnostics, alerts, privacy tools and exports.

Check AI Export

#68,468

by Thorsten Glander1 month ago

Run Plugin Check in your dashboard, fix findings with AI-ready prompts and fix hints, and check your plugin code for security issues.

AiutoComputerHelp Live Request Monitor

Up in the last 7 days:2,113#69,701

by aiutocomputerhelp11 days ago

Admin-only live WordPress request diagnostics with filters, behavioral indicators, and temporary capture. No blocking or permanent access log.

RobArt CatchNet

#69,918

by Rob Art11 days ago

Find the CSS behind layout shifts, FOUC flashes, phantom scrolling and stubborn overlays. Inspect page-load frames and reproduce visual bugs.