YouTube Tweaks от Pedro

Also available for Chrome and for Stylus as an userstyle.

Source code

⭐ Features:

• 20+ dark themes to choose from, including Gruvbox, Catppuccin, Nord & Rosé Pine
• Change the number of videos per row on homepage, channels and other pages
• Video grid: Hide profile pictures/Decrease font size
• Show full video titles
• Hide Shorts
• Hide irrelevant search results (For you, People also watched, Previously watched etc.)
• Search results in Grid view
• Show back to top button
• More animations
• Compact left sidebar/header bar
• YouTube logo: redirect to Subscriptions
• Hide topic bar
• Hide Latest YouTube posts
• Auto-expand comments
• Auto-expand video description
• Sidebar comments (comments appear on the side of the video)
• Pin video to the corner of the page while scrolling
• Fullscreen Theater mode
• Ambient mode on Theater mode
• Hide end cards
• Bring the red subscribe button back
• Watch page: Hide buttons Share, Download, Clip, Thanks, Save and their labels
• Left sidebar: Hide Shorts button, Explore and More from YouTube
• Hide watched videos, mixes, upcoming videos and live streams

YouTube is a trademark of Google LLC. Use of this trademark is subject to Google Permissions.