JS Injector

Inject JavaScript custom code into every webpage (e.g. to help with debugging).
What is JS Injector?
JS Injector is a powerful Firefox add-on that allows web developers to easily inject custom JavaScript code into any webpage or website. With features like synchronized scripts across devices, search and replace options, and bracket matching, JS Injector is a valuable tool for debugging and enhancing web development workflow.

Add-on stats

Users: 294
Rating: 3.63 (8)
Version: 1.0 (Last updated: 2019-11-04)
Creation date: 2019-08-22
Weekly download count: 14
Firefox on Android: Yes
Risk impact: Moderate risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • storage
  • activeTab
Size: 297.71K
URLs: Website

Other platforms

Not available on Chrome
Not available on Edge
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Add-on summary

This WebExtension is developed for web-developers to easily inject any javascript code into any webpage or website

You can write any creative thing you can think of.

Editor features:

  • Script are synchronized across all your devices running Firefox and JS Injector
  • Search and replace buttons
  • Go to line button
  • Undo & redo buttons
  • Match & close brackets
  • Folding code
  • Continue comments

Under development:

  • Certain implementation:
See more

User reviews

没有效果
by 独立观察员, 2023-04-09
View all user reviews

Add-on safety

Risk impact

JS Injector requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

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

Upgrade to see risk analysis details