Popular Development & Debugging Tools
These tools will help you track down errors, problems, hard-to-find strings, offer security options, etc while developing your WordPress sites. These plugins are being actively kept up to date and monitored for accuracy and compatibility with current WordPress versions.
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Get a tree view of all your pages directly in the admin menu. Search, edit, view and add pages - all with just one click away!
By Pär Thernström.
Plugin creates an assets manager. Providing a self hosted file sharing platform.
By Jack Reichert.
Automatically turns plaintext URLs and email addresses into links.
By Scott Reilly.
Visit the Dashboard → Update Tester screen after activating this plugin. (If using multisite, visit Updates → Update Tester in the network admin.)
A small plugin for running a search/replace on your WordPress database.
By Delicious Brains.
Bulk delete users and posts from selected categories, tags, post types, custom taxonomies or by post status like drafts, scheduled posts, revisions etc.
Manage WordPress role definitions, per-site or network-wide. Organizes post capabilities by post type and operation.
Enables the WordPress classic editor and the old-style Edit Post screen layout (TinyMCE, meta boxes, etc.). Supports the older plugins that extend this screen.
By WordPress Contributors.
Classic Editor Addon
Adds a debug menu to the admin bar that shows query, cache, and other helpful debugging information.
Robust zero-configuration and low-memory WordPress plugin to keep an eye on error log.
Two-Factor Authentication for WordPress using the Android/iPhone/Blackberry app as One Time Password generator.
By Henrik Schack.
Modifies the Google Authenticator plugin so that only users with 2FA enabled are prompted for the authentication token.
By Ian Dunn.
Checks the health of your WordPress install.
Take the guesswork out of WordPress security. iThemes Security offers 30+ ways to lock down WordPress in an easy-to-use WordPress security plugin.
Logs the usage of deprecated files, functions, hooks, and function arguments, offers the alternative if available, and identifies where the deprecated functionality is being used. WP_DEBUG not required (but its general use is strongly recommended).
By Andrew Nacin.
Monitor Scripts, Styles, Queries, and more during Development
By Tom Williams.
Page scroll to id is an easy-to-use jQuery plugin that enables animated page scrolling to specific id within the document.
It scans your WordPress database and shows what various things old plugins which were deactivated, uninstalled) left in it. The list of additional database tables used by plugins with quant of records, size, and plugin name is shown.
Redirect Pages, Posts or Custom Post Types to another location quickly (for internal or external URLs). Includes individual post/page options, redirects for Custom Post types, non-existant 301 Quick Redirects (helpful for sites converted to WordPress), New Window functionality, and rel=nofollow functionality.
***Make sure you have file access to delete the plugin if it breaks your site!*** Reduces or eliminates mixed-content warnings by striping the http: and https: from nearly any reference to your own site. Works on activation, stops working on deactivation.
By Matt Gadient.
Displays System Info for debugging. This info can be emailed and/or displayed to support personnel via unique URL.
By Matt Cromwell.
This all-in-one SEO plugin gives you control over meta titles & descriptions, open graph, auto-linking, rich-snippets, 404 monitoring, siloing & more.
Easily add Custom CSS or JS to your website with an awesome editor.
Simply shows the ID of Posts, Pages, Media, Links, Categories, Tags and Users in the admin tables for easy access. Very lightweight.
By Matt Martz.
The Sucuri plugin provides the website owner the best Activity Auditing, SiteCheck Remote Malware Scanning, Effective Security Hardening and Post-Hack features. SiteCheck will check for malware, spam, blacklisting and other security issues like .htaccess redirects, hidden eval code, etc. The best thing about it is it's completely free.
By Sucuri Inc..
A powerful yet user friendly plugin that automatically creates a table of contents. Can also output a sitemap listing all pages and categories.
By Michael Tran.
A simple and easy way to test your theme for all the latest WordPress standards and practices. A great theme development tool!
By Otto42, pross.
Used to keep track of WordPress memory usage, and system information.
By Chris Strosser.
Log the activity of users and roles to monitor your site with actions
By Solwin Infotech.
Because it's horrible that we don't have one.
Shows the WordPress admin styles on one page to help you to develop WordPress compliant
By Frank Bültge.
This is a developer's tool that sniffs out the firing sequence of WordPress action and filter hooks. DO NOT USE in a production environment.
Manages your WordPress database. Allows you to optimize database, repair database, backup database, restore database, delete backup database , drop/empty tables and run selected queries. Supports automatic scheduling of backing up, optimizing and repairing of database.
Setup, output, and log content security policy information.
By Dylan Downhill.
Identify WordPress security issues before they become a problem. Keep track of everything happening on your WordPress including WordPress users activity. Similar to Windows Event Log and Linux Syslog, WP Security Audit Log generates a security alert for everything that happens on your WordPress blogs and websites. Use the Audit Log Viewer included in the plugin to see all the security alerts.