Improve YouTube! for Chrome, Firefox, Edge, and Opera adds many useful extras to augment your YouTube experience.

It is designed to make YouTube tidier and more powerful over the default offering. Improve YouTube! allows you to change the YouTube player size, adds themes, auto HD Colors, playback speed control, and more. One nice feature is being able to turn off ads with the ability to whitelist your favorite channel subscriptions - like for MajorGeeks...

Improve YouTube! includes over 42 useful unique features, all designed to improve your watching experience greatly. Each setting category has easy-to-use toggle switches allowing for easy configuration.

Improve YouTube! Features:

Video Quality

Auto-Fullscreen

Fixed Volume or disallow Loudness Normalization

Fixed Playback Speed

"Repeat" button for Player

"Screenshot" button for Player

"Popup Player" button for Player or PIP Picture in picture player

"Rotate Video" button for Player

Forced H.264 Video Codec (speed up)

Video Autoplay Off

Ads only on Subscribed Channels

Disallow ads inside player

Disable 60fps

Disable Subtitles

Up Next Autoplay Off

Mini Player

Player Appearance:

Player Size

Forced Theater Mode

Player Color (timeline/progress bar)

Transparent Background

Header style * Monochrome YouTube Logo

Hide Cards, Endscreen, Annotations

Video Page Appearance

Hide Related Videos, Details, Views, Likes or change their styles

Show video age
S

how channel video count

Change style of "Description", "Comments", "Footer", "Livechat", "Playlist" and "Related videos"

Picture-in-Picture

Video Quality

A full listing of features can be found at the author's site.

Similar:

MajorGeeks YouTube Channel

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How to Fix No Sound With YouTube