User JavaScript and CSS

/ votes
More than 70000 users worldwide
Current version: 1.2.8
Price: FREE
User JavaScript and CSS screenshot

About User JavaScript and CSS

User JavaScript and CSS on any websiteUserscript's and userstyle's — simple extension to inject own JavaScript or CSS rules to any page.

Features:
- Instant execution
- Custom libs include
- URL masking allows use one script or CSS on many pages

Change log:

Version 1.2.8
- Added function for naming rules
- Updated translations

Version 1.2.7
- Updated all extension libraries to current versions

Version 1.2.6
- Fixed error in console "Unchecked runtime.lastError: The message port closed before a response was received"
- Improved domain getter from URL
- Updated Ace Editor and jQuery to latest

Version 1.2.5
- Resolved bug with '@import' and "Auto-important css" feature
- "Auto-important css" feature now disabled by default
- Added feature to exclude URL's by '!' symbol at start
- Updated jQuery and Ace editor to last versions
- Other small fixes

Version 1.2.4
- Added manual cloud sync in testing mode
- Improved "auto-important css" feature
- Other small fixes

Version 1.2.1
- Fixed algorithm of "high priority CSS"

Version 1.2.0
- Added toggle button in site list
- Added documentation tab
- Added 'Vintage mode' option to Ace Editor
- Updated jQuery, Ace Editor to last versions
- Other small fixies

Version 1.1.5
- Returned old method injection and added option to toggle this. Alternative method has feature to avoid CORS issues, but has only DOM access to site (no JS context). Old and now primary method is injecting by <script> tag on site bottom.
- Added scroll past end in editor

Version 1.1.2
- Minor bug fixes

Version 1.1.0
- Added new injection system that increased perfomance
- Added feature: few URLs in one rule (separate by commas)
- Added word wrap setting
- Added CSS auto !important option
- Minor changes

Version 1.0.2
- Hot fixes

Version 1.0.0
- Full redesign of extension
- Added more settings
- Added toggleable counter on extension icon

Version 0.98
- Fix bug that prevent create new rules
- Minor changes

Version 0.96
- Full redesign of extension interface
- 80% code of extension core has been rewritten
- New feature: change URL field and mask with "*" symbol (eg *.expample.com)
- Editor window opens in new tab in split layout
- Disabled autosave feature
- Configurable editor in settings
- New icon

Version 0.94
- Hotfix editor opening bug

Version 0.93
- Fixed a bug where JavaScript is not always inserted in a page
- Outdated processes are disabled

Version 0.92
- Code autosave work on all pages

Version 0.91
- Fix ".co.uk" zone parse
- Other small fixes

Version 0.90
- Improve core
- Add feature to load own libraries

Beta test. If you find any problem or have a question contact me on email.

Why Download User JavaScript and CSS?

  • Trusted by 70000+ users worldwide
  • High Rating: /5 stars from reviews
  • Latest Version: 1.2.8 - Always up to date
  • Safe & Secure: Verified by Chrome Web Store
  • Free to Use: No cost required

Extension Details

Type: Extension
Category: Chrome Browser Extension
Compatibility: Google Chrome Browser
Last Updated: March 8, 2021
Developer: Chrome Web Store Verified

Discover User JavaScript and CSS - The Best Chrome Extension for Your Browser

Looking for the perfect Chrome extension to enhance your browsing experience? User JavaScript and CSS is one of the most popular and highly-rated extensions available on the Chrome Web Store, trusted by over 70000 users worldwide.

With an impressive -star rating based on authentic user reviews, User JavaScript and CSS has proven its value and reliability to the Chrome community. This extension is perfect for users who want to improve their productivity, enhance their browsing security, or simply add useful functionality to their Chrome browser.

Download User JavaScript and CSS today and join thousands of satisfied users who have already discovered the benefits of this powerful Chrome extension. Installation is quick and easy - simply click the download button above to be redirected to the official Chrome Web Store where you can safely install this extension in just a few clicks.

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