# Header Editor FG

> A Mozilla extension to add, modify, and remove HTTP headers.

Canonical page: [https://chrome-stats.com/d/header-editor-fg](https://chrome-stats.com/d/header-editor-fg)

## Overview

- **ID:** `header-editor-fg`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Cecil Banks
- **Category:** other
- **Daily users:** 6
- **Weekly downloads:** 1
- **Version:** 1.3
- **Last updated:** 2025-09-13
- **First published:** 2025-09-10
- **Size:** 15 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/header-editor-fg/)
- **Website:** [https://ek333.plus/](https://ek333.plus/)

## Description

A Mozilla extension to add, modify, and remove HTTP headers.

## Rankings

- #41,931 — Overall
- #76 — header
- #106 — editor
- #139 — text editor
- #140 — css editor
- #219 — modify

## Permissions and access

### Permissions

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

## 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).

## Similar extensions and apps

- [Header Editor](https://chrome-stats.com/d/header-editor) — 12,356 users, 4.71 / 5
- [Header Editor Lite](https://chrome-stats.com/d/header-editor-lite) — 310 users
- [Headers](https://chrome-stats.com/d/headers) — 536 users, 5.00 / 5
- [Header Editor](https://chrome-stats.com/d/simple-header-editor) — 6 users
- [Header Tool](https://chrome-stats.com/d/header-tool) — 24 users
- [Modify Header Value](https://chrome-stats.com/d/modify-header-value) — 10,181 users, 3.62 / 5
- [Header Ext](https://chrome-stats.com/d/header-ext) — 3 users
- [OpenHeader](https://chrome-stats.com/d/openheader) — 1 users
- [FlexHeaders - Modify HTTP Headers](https://chrome-stats.com/d/flexheaders-alter-http-headers) — 471 users, 5.00 / 5
- [HeaderTweaker](https://chrome-stats.com/d/headertweaker) — 5 users
- [HeaderMod](https://chrome-stats.com/d/headermod) — 314 users
- [Custom Header Injector](https://chrome-stats.com/d/custom-header-injector) — 1 users

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