# Web Injector

> Customize any website by injecting your own CSS and JavaScript. Includes tools for Dark Mode and RTL text fixing.

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

## Overview

- **ID:** `eslam-web-injector`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Eslam Gomaa
- **Category:** web-development,appearance,language-support
- **Daily users:** 36
- **Rating:** 4.00 / 5 (1 ratings)
- **Version:** 1.3.1
- **Last updated:** 2026-01-04
- **First published:** 2025-12-28
- **Size:** 256 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/eslam-web-injector/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/eslam-web-injector/privacy/](https://addons.mozilla.org/firefox/addon/eslam-web-injector/privacy/)

## Description

Web Injector is a powerful developer tool that gives you full control over any website.
It allows you to inject custom CSS and JavaScript into any page to modify its appearance or functionality.

Key Features:
- Inject custom CSS & JS into any website.
- Live editor with syntax highlighting.
- Built-in Markdown editor with preview.
- Force Dark Mode on any site.
- Auto-fix RTL (Right-to-Left) text direction for Arabic content.
- All data is stored locally on your device.

## Rankings

- #18,944 — Overall
- #11 — inject
- #120 — javascript

## Permissions and access

### Permissions

- `storage`
- `activeTab`
- `scripting`

### Host permissions

- `<all_urls>`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/eslam-web-injector)