Code Injector

Code Injector

Inject code into websites! (JavaScript, CSS, HTML and Files)

  • Code Injector
  • Code Injector
  • Code Injector
  • Code Injector
What is Code Injector?
'Code Injector' is a great development tool for those looking to tailor their browsing experience. With this Firefox add-on, users can effectively inject their own JavaScript, CSS, HTML and files into websites, taking web customization to a new level. But make sure you come equipped with a basic understanding of web programming to maximize the benefits of this powerful tool.
By: Saba
Users: 2,127 ▼ -3
Rating: 4.63 (64)
Version: 0.3.3 (Last updated: 2022-01-16)
Creation date: 2017-10-09
Weekly download count: 47
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • <all_urls>
  • tabs
  • activeTab
  • storage
  • webNavigation
Size: 2.46M
URLs: Website
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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An addon which let the user inject code into the websites.

A minimum knowledge of web programming is required to be able to properly use this add-on. Documentation (GitHub):

User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
  • Works like a charm
  • Handy tool
  • Best injecting extension
  • Real handy
  • Does its job perfectly
  • Improved web programming skills
  • Does not work due to Content Security Policy
  • Popup window closes when navigating or reloading page
  • Project seems dead with issues
  • Cannot inject on page load on some sites
  • Add-on needs to be signed
Most mentioned
  • Does not work due to Content Security Policy
  • Handy tool
  • Best injecting extension
  • Cannot inject on page load on some sites
  • Add-on needs to be signed
Recent reviews
A no-nonsense code injector that works like a charm.
by Nana Kwame, 2023-09-01
View all user reviews
Risk impact

Code Injector is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Code Injector if you trust the publisher.

Risk likelihood

Code Injector has earned a fairly good reputation and likely can be trusted.

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