DOM Outliner

FeaturedManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Outline elements within a webpage. Activate the extension and watch as DOM elements are highlighted with different colors.

Users

475

+37 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#44K

#37K among extensions

Version

1.0

updated 26 Jan 2023

Users

monthly, 3 years

Latest, 15 Oct 2026: 475 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

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 DOM Outliner

Acting as an X-ray for your page, this extension allows you to visually outline and distinguish different elements within a webpage's Document Object Model (DOM). With this extension, you can easily identify and analyze the structure of a webpage, making it easier to debug and optimize your web projects. Simply activate the extension and watch as the DOM elements are highlighted with different colors, allowing you to quickly and easily identify and differentiate between them.