Debug CSS

Debug CSS

Adds outline to all elements on the page to show the culprit element which is changing desired layout

  • Debug CSS
  • Debug CSS
What is Debug CSS?
'Debug CSS' is an Edge add-on aimed at easing web development. It outlines every element present on a page, helping to pinpoint elements affecting the desired layout. The extension works on the CSS outline attribute, assigning different colors to different elements. Convenient for both mouse-users and keyboard-users, it can be toggled on and off with a simple click or combination of keyboard buttons.
Users: 9,270 ▲ 30
Rating: 4.60 (7)
Version: 1.0 (Last updated: 2021-04-23)
Creation date: 2021-04-23
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • activeTab
Size: 19.26K
Stats date:

Other platforms

Debug CSS
Debug CSS (v1.0)
4.75 (32) 20,000
Not available on Firefox
Want to check extension ranking and stats more quickly for other Edge add-ons? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Edge Add-on Store.
Chrome-Stats extension

Adds outline to all elements on the page to show the culprit element which is changing desired layout

Debug CSS

A lightweight extension for Microsoft Edge to show outline of all the element exist on page.

while working on web page development the one of the difficult part is to position the element as required and check which element affecting the other one.

This Microsoft Edge extension allows user to see outline on every element of the page. Hold the keyboard Ctrl button and hover element it will show the element details along with the value.


Post installation simply click on the extension icon to turn it On or Off.

See more
User reviews
Works just as intended. If you are having trouble to make it work, just go right click your extention and go to "Manage Extention" then check the "Allow Access URLs" or something, it should work.
by Geizka, 2022-02-16

Great addition to debugging tools
by Andrew, 2023-02-28

excellent little add-on. I use it every day.
by Christian, 2023-02-27
View all user reviews
Risk impact

Debug CSS is safe to use. It does not request any sensitive permissions.

Risk likelihood

Debug CSS has earned a fairly good reputation and likely can be trusted.

Upgrade to see risk analysis details
Promo images
Debug CSS marquee promo image
Marquee promo image