Plugin
WP DevKit
Developer tools inside the WordPress admin.

WP DevKit is a compact toolbox that saves WordPress developers hours of routine work.
Features
- Query and hooks debug panel.
- Quick snippets mode without editing functions.php.
- Maintenance and debug mode toggles.
- Site settings export/import.
Version: 2.1.0
Requires WP: 5.9
Features
Debug panel
View SQL queries, hooks and execution time right in the admin.
Snippets
Add small PHP snippets without touching theme files.
Export settings
Quickly move configuration between sites.
Maintenance mode
Enable a site placeholder with one click.