# Host AdBlocker

> An open-source DNS-based ad-blocker that operates based on host filtering to block ads, malware, phishing hostnames

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

## Overview

- **ID:** `adhost-adblocker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ray
- **Category:** privacy-security
- **Daily users:** 33
- **Weekly downloads:** 2
- **Rating:** 4.86 / 5 (7 ratings)
- **Version:** 0.1.4
- **Last updated:** 2021-07-05
- **First published:** 2017-08-13
- **Size:** 312 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/adhost-adblocker/)
- **Website:** [https://add0n.com/adhost.html](https://add0n.com/adhost.html)

## Description

Host AdBlocker is an open-source Firefox add-on that uses host matching to block ads, malware, and phishing hostnames. It offers improved performance and reduced memory usage compared to other ad-blocker extensions.

## Rankings

- #19,380 — Overall
- #60 — adblocker
- #65 — malware
- #77 — ad-blocking
- #81 — adblock
- #130 — ad

## Permissions and access

### Permissions

- `*://*/*`
- `storage`
- `webRequest`
- `webRequestBlocking`

### Content script matches

- `*`

## Safety

- **Risk impact:** High 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).

## Similar extensions and apps

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- [List Domain Blocker](https://chrome-stats.com/d/list-domain-blocker) — 18 users, 2.75 / 5

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