JS CSS Manager (for Manifest V3)

Unknown author · Tools

Open in Chrome Web Store

Users

110

Avg rating

4.0

Ratings

Updated

Oct 10, 2026

Media

1 item

Description

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

History

30d 90d 1y all

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
32
Description length
Characters in the listing description.
500

rating_count is the Chrome Web Store ratings count, not a written-review count.

Media assets

Screenshots and videos on the listing.

Has promo video

Whether the listing includes at least one video.

Languages

Declared language locales.

Developer website

Listing exposes a developer website URL.

Contact email

Listing exposes a contact email.

Yes

Keyword in name

Case-insensitive substring match in the name.

—

Keyword in description

Case-insensitive substring match in the description.

—

Keyword occurrences in description

Count of case-insensitive occurrences in the description.

—

Category user-count percentile

Share of same-category extensions with fewer users (null if unknown).

79.5

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.