# Instant Ad-Close

> Simple interface for advertising blocking via the webRequest API.

Canonical page: [https://chrome-stats.com/d/instant-ad-close](https://chrome-stats.com/d/instant-ad-close)

## Overview

- **ID:** `instant-ad-close`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Francesco De Stefano
- **Category:** privacy-security
- **Daily users:** 2
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 0.6.3
- **Last updated:** 2020-09-30
- **First published:** 2019-01-18
- **Size:** 40 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/instant-ad-close/)
- **Website:** [https://sourceforge.net/projects/instant-ad-close/](https://sourceforge.net/projects/instant-ad-close/)

## Description

Instant Ad-Close is a simple but powerful ad-blocking extension for Firefox. It allows you to block external requests like images, Flash, and XHR using URL patterns. You can customize the extension's preferences, import/export filters, and hide private addresses from WebRTC/ICE/STUN.

## Rankings

- #62,400 — Overall
- #245 — close

## Permissions and access

### Permissions

- `http://*/*`
- `https://*/*`
- `ws://*/*`
- `wss://*/*`
- `webRequest`
- `webRequestBlocking`
- `unlimitedStorage`
- `storage`
- `privacy`

### 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/instant-ad-close)