Outline All Elements icon

Outline All Elements

by MohannadNaj · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Add CSS Outline property to all elements on the page for debugging CSS Layout.

Users
474
+62 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#44K
#37K among extensions
Version
1.1
updated 13 May 2025

Users

monthly, 3 years
30252474Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 474 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
001Aug 2023Apr 2025Oct 2026
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 Outline All Elements

A Chrome Extension for adding CSS Outline property (with different colors) to all elements on the page. Source Code: https://github.com/MohannadNaj/outline-all-elements Mainly this is useful for debugging CSS Layout and discovering potential issues. Notes: - Click the extension icon for activating/deactivating. - The outline colors are randomized based on it's order on the page. - The colors are randomized by assigning different cumulative Hue degree and a fixed Saturation (99%) and Light (50%). - On deactivating, the extension will restore the old outline value if it was there, and remove the style HTML attribute if it wasn't there before activating.

Growth

WindowUsersChangeRatingsRating
7 days+6+1.3%00.00
30 days+62+15.0%00.00
6 months+74+18.5%00.00
1 year+116+32.4%00.00

Version history

2 versions recorded
1.17 May 2025
1.09 Jan 2020

Details

Category
Developer Tools
First seen
9 Jan 2020
Size
34 KB
Languages
en
Pricing
Free
Extension ID
nppiigcgjgghnpdflckpalmdmpnfglfa

Permissions and risk

Minimal riskimpact 0, likelihood 1
Permissions
activeTabscripting

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