# Header Editor

> Set custom request headers for matching URLs.

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

## Overview

- **ID:** `simple-header-editor`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** kirac.acar
- **Category:** web-development
- **Daily users:** 6
- **Weekly downloads:** 1
- **Version:** 0.1.0
- **Last updated:** 2026-07-13
- **First published:** 2026-07-10
- **Size:** 61 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/simple-header-editor/)
- **Website:** [https://github.com/rbt15/header-editor](https://github.com/rbt15/header-editor)

## Description

A small Chrome and Firefox extension for setting request headers on matching URLs.

Rules are applied with the browser's declarative network request API and persist across browser restarts.

## Rankings

- #42,108 — Overall
- #56 — header
- #100 — editor
- #140 — text editor
- #141 — css editor

## Permissions and access

### Permissions

- `declarativeNetRequestWithHostAccess`
- `storage`

### Host permissions

- `<all_urls>`

## Safety

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

- [Custom Header Tailor](https://chrome-stats.com/d/mozlla-custom-headers) — 1 users
- [HTTP Header Plugin](https://chrome-stats.com/d/http-header-plugin) — 7 users
- [Header Editor FG](https://chrome-stats.com/d/header-editor-fg) — 6 users
- [Header Ext](https://chrome-stats.com/d/header-ext) — 3 users
- [Header Editor](https://chrome-stats.com/d/header-editor) — 12,356 users, 4.71 / 5
- [HTTP Headers Customize](https://chrome-stats.com/d/http-headers-customize) — 3 users
- [Modify HTTP Headers](https://chrome-stats.com/d/modify-http-headers) — 53 users, 5.00 / 5
- [Header request Injector](https://chrome-stats.com/d/header-request-injector) — 3 users
- [Headers](https://chrome-stats.com/d/headers) — 536 users, 5.00 / 5
- [HeaderMod](https://chrome-stats.com/d/headermod) — 314 users
- [Configurable Header Manager](https://chrome-stats.com/d/configurable-header-manager) — 2 users
- [Header Editor Lite](https://chrome-stats.com/d/header-editor-lite) — 310 users

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