Theme Check

By Themes Team

A simple and easy way to test your theme for all the latest WordPress standards and practices. A great theme development tool!

Categories: General

Debug Bar

By wordpressdotorg

Adds a debug menu to the admin bar that shows query, cache, and other helpful debugging information.

Categories: General

Query Monitor – The developer tools panel for WordPress

By John Blackbourn

Query Monitor is the developer tools panel for WordPress.

Categories: General

RTL Tester

By Yoav Farhi, Automattic

Test your themes and plugins in RTL mode.

Categories: General