Player / Playback 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/progresbar)

• 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

• Show channel video count

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

Themes:

• "Black", "Plain", "Desert", "Dawn", "Sunset", "Night"

General:

• Night Mode Schedule

◦ Bluelight filter * Dark Theme * Dim Filter

• Set Youtube Home Page

• YouTube Legacy (old Version)

• Disable "Scroll for details"

• "Scroll to top" button

• Prevent Closing YouTube

• Squared User Images

• Disable Moving Thumbnails

• HD Thumbnail

Playlists:

• Autoplay

• Reverse

• Repeat

• Shuffle

Channels:

• Default Channel Tab

• Trailer Autoplay

• Hide Featured Content

Set Shortcuts / Hotkeys for:

• Picture-in-Picture

• Video Quality

• Play / Pause

• Stop

• Next Video

• Previous Video

• Seek backward 10 seconds

• Seek forward 10 seconds

• Increase Volume 5%

• Decrease Volume 5%

• Increase Playback Speed

• Decrease Playback Speed

• Go to Search Box

• Activate Fullscreen

• Activate Captions

• Like

• Dislike

Volume Mixer:

• Set different volume for each Youtube tab

Supported Operation System:

• macOS 10.15 or later

• Apple Silicon or Intel Core processor

Mac App Store: http://apps.apple.com/app/id1672777754