JS CSS Manager (for Manifest V3)

by i09158knct · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

Enhance your browsing experience with JS CSS Manager, a powerful Chrome extension that allows you to inject custom JavaScript and…

Users

103

−4 in 30 days

Rating

4.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#84K

#70K among extensions

Version

4.0

updated 10 Oct 2026

Users

monthly, 2 years

Latest, 18 Oct 2026: 103 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 18 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 JS CSS Manager (for Manifest V3)

Enhance your browsing experience with JS CSS Manager, a powerful Chrome extension that allows you to inject custom JavaScript and CSS into any website. Whether you're a developer looking to test new scripts, a designer tweaking site styles, or simply someone who wants to personalize their favorite sites, JS CSS Manager gives you the control and flexibility you need.