# Script Injector

> Custom script injection.

Canonical page: [https://chrome-stats.com/d/x-script-injection](https://chrome-stats.com/d/x-script-injection)

## Overview

- **ID:** `x-script-injection`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Happy Code Time
- **Category:** web-development,privacy-security
- **Daily users:** 13
- **Rating:** 4.00 / 5 (4 ratings)
- **Version:** 3.1.1
- **Last updated:** 2020-09-10
- **First published:** 2020-01-03
- **Size:** 2.70 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/x-script-injection/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/x-script-injection/privacy/](https://addons.mozilla.org/firefox/addon/x-script-injection/privacy/)

## Description

Script Injector is a Firefox add-on that allows you to insert custom code into any website. Easily edit, delete, and export your inserted scripts. Inject code into websites while they are loaded, after they have been loaded, or with a timeout of up to 60 seconds. Insert code directly into a specific website or apply it to all opened websites at once.

## Rankings

- #29,149 — Overall
- #23 — inject
- #32 — script

## Permissions and access

### Permissions

- `activeTab`
- `<all_urls>`
- `storage`
- `tabs`
- `contextMenus`
- `webRequest`

### Content script matches

- `<all_urls>`

## Safety

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

## Similar extensions and apps

- [Code Injector Pro](https://chrome-stats.com/d/code-injector-pro) — 1 users
- [Custom Script Injector](https://chrome-stats.com/d/custom-script-injector) — 2 users
- [Code Injector](https://chrome-stats.com/d/codee-injector)
- [Code Injector](https://chrome-stats.com/d/codeee-injector) — 1 users
- [Code Injector](https://chrome-stats.com/d/code1a-injector)
- [Code Injector](https://chrome-stats.com/d/code-injectorr1)
- [Code Injector](https://chrome-stats.com/d/code4-injector)
- [Code Injector](https://chrome-stats.com/d/code-injectorrr) — 1 users
- [Code Injectorin](https://chrome-stats.com/d/code-injectorin)
- [JavaScript Code Injector](https://chrome-stats.com/d/javascript-code-injector) — 2 users
- [Code Injector](https://chrome-stats.com/d/codeinjector) — 1,514 users, 4.58 / 5
- [Code Injectorik](https://chrome-stats.com/d/code-injectorik)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/x-script-injection)