# Alx Knife

> HTTP Header Knife inserts HTTP headers and script on a per host basis.

Canonical page: [https://chrome-stats.com/d/alx-knife](https://chrome-stats.com/d/alx-knife)

## Overview

- **ID:** `alx-knife`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Dormines
- **Category:** web-development,other
- **Daily users:** 1
- **Version:** 1.0.10
- **Last updated:** 2025-10-29
- **First published:** 2023-06-14
- **Size:** 12 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/alx-knife/)

## Description

Alx Knife is a Firefox add-on that allows users to insert HTTP headers and scripts on a per host basis. It supports matching hosts with simple strings or regular expressions and can apply multiple headers to multiple hosts or insert a single header for a single host.

## Rankings

- #115,024 — Overall

## Permissions and access

### Permissions

- `storage`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`
- `activeTab`
- `scripting`
- `tabs`
- `clipboardRead`
- `clipboardWrite`
- `cookies`

## Safety

- **Risk impact:** High 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/alx-knife)