by Russell Aaron on WordPress.org
A developer tool that displays all registered post types with their settings, supports, taxonomies, labels, and REST API endpoints.

Main interface showing post types grouped into tabs
Query All The Post Types is a lightweight developer tool that auto-detects every registered post type on your WordPress site and displays comprehensive information about each one.
Post types are automatically grouped by origin — no configuration required.
WooCommerce store owners: All your WooCommerce post types (products, orders, coupons, subscriptions, etc.) are grouped in a dedicated purple WooCommerce tab for easy access.