# blockerDNS Ad & Tracker Blocking

> Block ads and online trackers with blockerDNS's free Firefox extension. You get the same great blocking and increased privacy as you do with our DNS-level services, but without having to fiddle with DNS settings!

Canonical page: [https://chrome-stats.com/d/blockerdns-ad-tracker-blocking](https://chrome-stats.com/d/blockerdns-ad-tracker-blocking)

## Overview

- **ID:** `blockerdns-ad-tracker-blocking`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** blockerDNS - block ads and online trackers
- **Category:** privacy-security
- **Daily users:** 92
- **Weekly downloads:** 6
- **Rating:** 1.75 / 5 (4 ratings)
- **Version:** 1.2
- **Last updated:** 2020-01-31
- **First published:** 2020-01-31
- **Size:** 381 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/blockerdns-ad-tracker-blocking/)
- **Website:** [https://blockerdns.com/extension](https://blockerdns.com/extension)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/blockerdns-ad-tracker-blocking/privacy/](https://addons.mozilla.org/firefox/addon/blockerdns-ad-tracker-blocking/privacy/)

## Description

blockerDNS Ad & Tracker Blocking is a free Firefox extension designed to enhance your online privacy by blocking ads and trackers efficiently. Instead of modifying DNS settings, users can activate ad and tracker blocking with a simple on/off toggle, ensuring hassle-free privacy protection. The extension provides the same robust DNS-level blocking found in blockerDNS's core services, supporting DNS over TLS and DNS over HTTPS protocols.

Emphasizing user privacy, blockerDNS collects no data or logs, offering secure and transparent browsing. Its open-source nature invites community trust and transparency. Whether you're on personal or shared devices, this extension provides an effortless way to enhance your browsing experience by minimizing interruptions and protecting your personal information from online trackers.

## Rankings

- #12,046 — Overall
- #8 — ad-blocking
- #44 — tracking
- #50 — tracker
- #95 — ad
- #103 — increase

## Permissions and access

### Permissions

- `http://*/*`
- `https://*/*`
- `webRequest`
- `webRequestBlocking`
- `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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/blockerdns-ad-tracker-blocking)