# YouTube High Definition

> YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

Canonical page: [https://chrome-stats.com/d/youtube-high-definition](https://chrome-stats.com/d/youtube-high-definition)

## Overview

- **ID:** `youtube-high-definition`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Baris Derin
- **Category:** photos-music-videos,other,games-entertainment
- **Daily users:** 161,710
- **Weekly downloads:** 1,258
- **Rating:** 3.76 / 5 (1,395 ratings)
- **Version:** 118.0.9
- **Last updated:** 2024-09-02
- **First published:** 2011-07-15
- **Size:** 212 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/youtube-high-definition/)
- **Website:** [https://barisderin.com](https://barisderin.com/)

## Description

YouTube High Definition is a versatile Chrome extension designed to improve your YouTube viewing experience by automatically playing videos in your chosen highest resolution, whether it's 4k, 1080p, or any preferred setting. It allows users to customize video player size, set preferred volume levels, and gain control over auto-muting and auto-stopping videos.

This extension also supports HD playback for YouTube videos embedded on external sites like Facebook, Twitter, and Reddit, ensuring you enjoy the best sound and picture quality wherever you watch. With easy-to-use features and enhanced media controls, YouTube High Definition provides a seamless and improved way to watch videos with optimal quality and convenience.

## Rankings

- #113 — Overall
- #3 — Other extensions
- #6 — Games & Entertainment
- #8 — Photos, Music & Videos
- #1 — defi
- #1 — define

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `<all_urls>`

### Content script matches

- `*.youtube.com`
- `*.youtube-nocookie.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Very 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 was updated more than 6 months ago. Older versions are more likely to be stable and safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Many users report the extension frequently stops working and no longer changes video quality. When it works, it helps set a preferred resolution and provides a theater mode not offered by YouTube. However, theater mode and quality controls are often unreliable, and enabling the extension can cause buffering or playback issues. Some users also find the settings difficult to access or reset with new videos. Overall, the add-on offers useful features but reliability has been inconsistent across reviews.

### Pros

- Allows setting a preferred video resolution/quality on YouTube (a feature YouTube/Google doesn't expose).
- Includes a theater mode (theatre mode) option for viewing videos.
- Offers a feature Google reportedly refused to implement.

### Cons

- Frequently stops working and no longer changes video quality.
- Quality controls are unreliable and often don't apply as configured.
- The theater mode can be unreliable, sometimes reverting to normal mode.
- Enabling the extension can cause buffering or playback issues.
- Settings can't be opened easily or reset when loading new videos/playlists.

## Similar extensions and apps

- [YouTube HD](https://chrome-stats.com/d/youtube-automatically-hd) — 589 users, 4.92 / 5
- [YouTube in HD (720p, 1080p, 1440p, 2160p)](https://chrome-stats.com/d/youtube-hd-1) — 3,198 users, 4.27 / 5
- [Auto HD/4k/8k for YouTube™](https://chrome-stats.com/d/auto-hd-4k-8k-for-youtube) — 3,639 users, 3.90 / 5
- [HD Quality Toggle for YouTube™](https://chrome-stats.com/d/hd-quality-toggle-for-youtube) — 327 users, 2.85 / 5
- [YouTube Video Download - YouTube HD Download](https://chrome-stats.com/d/youtube-download-hd-download) — 85,148 users, 3.52 / 5
- [HD YouTube Video Downloader](https://chrome-stats.com/d/hd-youtube-video-downloader)
- [YouTube HD Quality Settings](https://chrome-stats.com/d/youtube-quality-settings-hd) — 91 users, 5.00 / 5
- [YouTube 4K Downloader](https://chrome-stats.com/d/youtube-massdownloader) — 618 users, 2.33 / 5
- [Auto HD|LQ for YouTube™](https://chrome-stats.com/d/youtube-auto-hd-lq) — 177 users, 3.12 / 5
- [Youtube 4K Downloader](https://chrome-stats.com/d/youtube-4k-downloader) — 15,153 users, 3.42 / 5
- [Youtube Control Center](https://chrome-stats.com/d/youtube-control-center-ytcc) — 2 users
- [YouTube Auto LD](https://chrome-stats.com/d/youtube-auto-ld) — 86 users, 5.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/youtube-high-definition)