Log in
Preview of Code Injector Pro

Code Injector Pro by Mathilda

Easily inject and run JavaScript or CSS snippets on any webpage.

Experimental
0 (0 reviews)
No Users
Download Firefox and get the extension
Download file
About this extension
Insert your own JavaScript and CSS code directly into any page. This extension saves and re-applies your changes automatically, allowing full customization of web layouts and interactions. Ideal for automating repetitive site adjustments.
Rated 0 by 0 reviewers

Star rating saved

5
0
4
0
3
0
2
0
1
0
No reviews yet
Permissions and data

Required permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Version
2.1
Size
20.61 KB
Last updated
a month ago (Dec 10, 2025)
Related Categories
Version History
Add to collection
Report this add-on