CSS Injector icon

CSS Injector

by TRtheGreat · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

I needed a tool that would allow me to save css overrides for sites, mainly because my auto dark-mode was messing up on some sites.

Users
28
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#134K
#111K among extensions
Version
1.1.0
updated 22 Mar 2026

Users

monthly, 2 years
02855Dec 2024Dec 2025Oct 2026
Latest, 16 Oct 2026: 28 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
001Dec 2024Dec 2025Oct 2026
Latest, 16 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 CSS Injector

This is a chrome-extension that can inject css into a site. It can also save the css to be injected on next visits. You can inject CSS for all-sites as well

Growth

WindowUsersChangeRatingsRating
7 days+2+7.7%00.00
30 days−1−3.4%00.00
6 months+7+33.3%00.00
1 year−15−34.9%00.00

Version history

2 versions recorded
1.1.012 Mar 2026
1.0.313 Dec 2024

Details

Category
Developer Tools
First seen
13 Dec 2024
Size
304 KB
Languages
en-US
Pricing
Free
Extension ID
kngpemmncomigeldpcgiakldmkcgiile

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
scriptingactiveTabstorage

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