# A7X - Nightmare

> Avenged Sevenfold - Nightmare \[Album cover\]

Canonical page: [https://chrome-stats.com/d/a7x-nightmare](https://chrome-stats.com/d/a7x-nightmare)

## Overview

- **ID:** `a7x-nightmare`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** walkmania
- **Category:** music
- **Daily users:** 2
- **Rating:** 5.00 / 5 (4 ratings)
- **Version:** 2.0
- **Last updated:** 2019-05-13
- **First published:** 2010-10-07
- **Size:** 112 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/a7x-nightmare/)

## Description

A7X - Nightmare is a Firefox add-on that adds the Avenged Sevenfold - Nightmare album cover to your browser, bringing a touch of rock music to your online experience.

## Rankings

- #58,217 — Overall

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- 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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Source: [Chrome-Stats](https://chrome-stats.com/d/a7x-nightmare)