Log in
Preview of Rob's Code Injector

Rob's Code Injector by Rob Omer

Inject custom JavaScript, CSS, and HTML into web pages by URL rules.

Available on Firefox for Android™
0 (0 reviews)
Download Firefox and get the extension
Download file
About this extension
Rob's Code Injector lets you run your own JavaScript, CSS, and HTML on specific websites. You define rules by host (e.g. example.com or *.example.com) or by URL regex, choose include/exclude lists, and pick whether to run at page load or not
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 browser tabs
  • Access browser activity during navigation

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Version
1.2.2
Size
194.4 KB
Last updated
4 days ago (Feb 24, 2026)
Version History
Add to collection
Report this add-on