# Browser Injector

> Injects CSS and Javascript into pages.

Canonical page: [https://chrome-stats.com/d/browser-injector](https://chrome-stats.com/d/browser-injector)

## Overview

- **ID:** `browser-injector`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** pearnaly
- **Category:** appearance,other,tabs
- **Daily users:** 14
- **Rating:** 4.00 / 5 (4 ratings)
- **Version:** 1.9.8
- **Last updated:** 2021-07-04
- **First published:** 2021-04-07
- **Size:** 527 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/browser-injector/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/browser-injector/privacy/](https://addons.mozilla.org/firefox/addon/browser-injector/privacy/)

## Description

Browser Injector is a powerful Firefox add-on that enables you to inject CSS and Javascript code into webpages, allowing you to customize and enhance your browsing experience. With features like auto-generation of CSS selectors, synchronization across devices, and support for multiple languages, Browser Injector is the perfect tool for modifying and personalizing your frequently visited websites.

## Rankings

- #28,352 — Overall
- #22 — inject
- #115 — javascript
- #191 — browser
- #206 — browser tab
- #216 — chrome browser

## Permissions and access

### Permissions

- `contextMenus`
- `storage`
- `tabs`
- `*://*/*`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/browser-injector)