# AddHeader

> add header This add-on would add custom header to HTTP requests. We can add headers to all requests or specific request for certain sites.

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

## Overview

- **ID:** `addheader`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Firefox user 13564830
- **Category:** web-development,other
- **Daily users:** 107
- **Weekly downloads:** 5
- **Rating:** 4.00 / 5 (2 ratings)
- **Version:** 1.2resigned1
- **Last updated:** 2024-04-25
- **First published:** 2017-12-05
- **Size:** 11 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/addheader/)

## Description

AddHeader is a lightweight Chrome extension designed to add custom headers to your HTTP requests effortlessly. Whether you need to insert a dummy header across all web requests or target specific sites, this tool streamlines the process, making it ideal for developers and power users who want finer control over their request headers. By adding headers such as dummy key-value pairs, you can test, debug, or customize web interactions without hassle. This extension simplifies header management directly within the browser, ensuring a smooth and customizable browsing experience.

## Rankings

- #11,286 — Overall
- #5 — modheader
- #22 — header
- #148 — request
- #205 — value
- #224 — reader

## Permissions and access

### Permissions

- `storage`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

## Safety

- **Risk impact:** Moderate 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).

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- [Add request headers](https://chrome-stats.com/d/add-request-headers) — 1 users
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- [OpenHeader](https://chrome-stats.com/d/openheader) — 1 users
- [Request Header Modifier](https://chrome-stats.com/d/request-header-modifier) — 41 users, 5.00 / 5
- [Headers](https://chrome-stats.com/d/headers) — 520 users, 5.00 / 5
- [Header Ext](https://chrome-stats.com/d/header-ext) — 3 users
- [ModHeader](https://chrome-stats.com/d/modheader-firefox) — 19,864 users, 3.37 / 5
- [Header Modifier](https://chrome-stats.com/d/header-modifier) — 1 users
- [HeaderMod](https://chrome-stats.com/d/headermod) — 303 users

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