# Auto-Quality Preference (QPref)

> Automatically select preferred video quality (e.g. 480p) on supported players.

Canonical page: [https://chrome-stats.com/d/auto-quality-preference-qpref](https://chrome-stats.com/d/auto-quality-preference-qpref)

## Overview

- **ID:** `auto-quality-preference-qpref`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ba
- **Category:** other
- **Daily users:** 2
- **Weekly downloads:** 2
- **Version:** 1.0.0
- **Last updated:** 2025-12-16
- **First published:** 2025-12-13
- **Size:** 9.35 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/auto-quality-preference-qpref/)

## Description

Auto-Quality Preference (QPref) Description: Automatically selects video playback quality based on configuration (e.g., prioritizes 480p to save data) for players that support selection (HTML5 / hls.js). Features: Whitelists domains, overrides when on Wi-Fi. Simplicity: Detects DOM quality selector or intercepts player API (if available). Permissions: Content scripts, storage, optional network (less necessary if only DOM manipulation).

## Rankings

- #69,876 — Overall
- #57 — quality
- #63 — reference
- #69 — hd quality

## Permissions and access

### Permissions

- `storage`

### Content script matches

- `<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/auto-quality-preference-qpref)