Simon Prosser

Debugging tool for theme authors and reviewers.
This tool intercepts all debug information and prints it all out neatly into the footer. It also checks each page for W3C validation. 
This plugin is released as a tool to aid the development of themes and plugins for WordPress and can be used to aid debugging your theme before submission to the themes directory.

Debogger

Debugging tool for theme authors and reviewers.

macurious

Displays the current template file and key page details in the WordPress admin bar for logged-in administrators. 
No setup required: just install, activate, and see the info bar on any front-end page.
Features: 
– Shows “📄 Template: ” in the front-end admin bar 
– Details on hover/click: full template path, post ID, post type, slug, theme name & version, locale, body classes, query vars, conditionals, DB query count, memory usage, and more 
– No settings page, no configuration 
– Works with classic and block/FSE themes (special info for block themes) 
– Developer-friendly, lightweight, no bloat

Current Template Insights

Quickly view the active template file and important page information directly in your WordPress admin bar.

Debogger vs Current Template Insights