Query Monitor

by John Blackbourn · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

The developer tools panel for WordPress and WooCommerce.

Users

553

−1 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#41K

#35K among extensions

Version

4.0.6

updated 20 Apr 2026

Users

monthly, 6 months

Latest, 15 Oct 2026: 553 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Query Monitor

Query Monitor adds a dedicated panel to Chrome DevTools for debugging WordPress and WooCommerce sites. Inspect debugging data right alongside the standard browser developer tools, without switching windows or cluttering your page. Features: - Database queries, including slow queries and duplicates - PHP errors and warnings - Hooks, actions, and filters - HTTP API calls and their response times - Enqueued scripts and styles - Rewrite rules and query vars - Block editor blocks and their attributes - Environment and configuration details Requirements: - The Query Monitor plugin must be installed and activated on the WordPress-powered site that you are inspecting. - You must be logged in as an Administrator or have the required capability to view Query Monitor output. Query Monitor is free and open source. Learn more at https://querymonitor.com WordPress® is a registered trademark of the WordPress Foundation. WooCommerce® is a registered trademark of WooCommerce, Inc. Query Monitor is not affiliated with the WordPress Foundation or WooCommerce, Inc.