Ultimate CSS Injector

Name: Ultimate CSS Injector
Rating: 5 (2 reviews)
Author: KingsPacks

Inject custom CSS into any webpage automatically.

As of May 2026, Ultimate CSS Injector has 132 users and a 5.00/5 rating from 2 reviews in the Productivity category.

KingsPacks Productivity

Chrome Web Store ↗.crx

Users−1.5%

132

Rating0%

5.00

2 reviews

Reviews0%

Version

1.5

Manifest V3

History

2 snapshots

Tracking since Apr 26, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 26, 2026	134	5.00	2	1.5
May 23, 2026	126	5.00	2	1.5
Now	132	5.00	2	1.5

Permissions & access

Permissions: scriptingactiveTabstorage
Host access: <all_urls>

Screenshots

About

Ultimate CSS Injector - Custom Styles for Every Website
🔹 Personalize the Web, Your Way! 🔹

CSS Injector allows you to easily customize the appearance of any website by injecting your own CSS styles. Whether you want to darken bright themes, adjust layouts, hide elements, or add a unique touch, this extension gives you full control over how websites look!

✨ Features:
✅ Apply Custom CSS – Modify any website with your own styles.
✅ Automatic Injection – Styles are saved and automatically applied every time you visit the site.
✅ Enable/Disable CSS Per Site – Quickly toggle styles on or off with a simple switch.
✅ Backup & Restore – Export your styles as .json or .css and import them anytime for seamless backups.
✅ Organized Storage – CSS is neatly stored per website in an easy-to-manage interface.
✅ Delete History – Recover accidentally deleted styles with an easy-to-use history feature.

🚀 How It Works:
1️⃣ Open the extension on any website.
2️⃣ Add your custom CSS and save it.
3️⃣ Watch your styles apply instantly!
4️⃣ Manage all saved styles in the settings panel, with options to edit, delete, or export/import CSS.