# Privacy Header

> Privacy-focused HTTP header manipulator

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

## Overview

- **ID:** `privacy-header`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** David Sint
- **Category:** web-development
- **Daily users:** 2
- **Version:** 0.0.3
- **Last updated:** 2026-01-29
- **First published:** 2026-01-18
- **Size:** 138 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/privacy-header/)

## Description

I used to use ModHeader, but after changes that made me uncomfortable, I realized I could just vibe-code a better alternative with no restrictions and no risk of malware or ads. This is that alternative. This was created for my personal use, I take no responsibility for your usage.

Documentation: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/96c531dd6640db212727aaded11c46619cb83bc72c61d6a55ed5ed682a16e7d6/https%3A//davidsint.github.io/PrivacyHeader/" rel="nofollow">https://davidsint.github.io/PrivacyHeader/</a>

Features:
1. Profiles
2. Custom URL regex per profile for when to apply modifications
3. Unlimited number of header manipulations
4. Auto-merges duplicate header keys
5. No ads, no back-doors, open-sourced
6. Import/Export profiles for sharing

## Rankings

- #69,258 — Overall
- #35 — modheader
- #112 — data privacy
- #117 — privacy
- #130 — header

## Permissions and access

### Permissions

- `storage`
- `declarativeNetRequest`
- `declarativeNetRequestWithHostAccess`
- `<all_urls>`

## 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).

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