CSS Selector Tester

by sklab · Developer Tools

FeaturedManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Highlight the elements matching a given CSS selector.

Users

4,000

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#16K

#13K among extensions

Version

1.1

updated 8 Oct 2023

Users

monthly, 3 years

Latest, 15 Oct 2026: 4,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years

Latest, 15 Oct 2026: 5 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 CSS Selector Tester

This extension highlights elements specified by CSS selectors. For web design or web scraping, you will be able to identify elements specified by CSS selectors more easily than with the Chrome Developer Tools. It's easy to use. 1. Click on the extension's icon. 2. Type in the CSS selectors. 3. Press Enter or click the TEST button. === Release notes === Version 1.1 2023-10-06 [new feature] "History" The input history of the selector can now be displayed.