YouTube Tweaks is a free Chrome add-on developed by Pedro that offers a range of features to enhance your YouTube experience. With this add-on, you can customize various aspects of YouTube, including blocking shorts, hiding watched videos, and changing the number of videos per row.

One of the standout features of YouTube Tweaks is the selection of 20+ dark themes to choose from. Whether you prefer Gruvbox, Catppuccin, Nord, or Rosé Pine, there's a theme to suit your taste. Additionally, you have the ability to change the number of videos per row on the homepage and channel pages, allowing for a more personalized layout.

YouTube Tweaks also offers options to hide profile pictures and decrease font size in the video grid, as well as show full video titles. You can even block irrelevant search results, such as "For you," "People also watched," and "Previously watched," to streamline your search experience.

Other handy features include a back to top button, additional animations, a compact left sidebar, a compact header bar, and the ability to hide the homepage's recommendation bar and latest YouTube posts. You can also auto-expand comments and video descriptions, as well as hide the game section on watch pages.

For those who prefer the classic YouTube experience, YouTube Tweaks brings back the red subscribe button and offers a fullscreen theater mode with ambient mode for a more immersive viewing experience. You can even hide end cards and various buttons on watch pages, such as Share, Download, Clip, Thanks, and Save.

Overall, YouTube Tweaks is a versatile Chrome add-on that allows you to customize your YouTube experience to your liking. Whether you want to enhance the visual aesthetics, streamline your search results, or personalize the layout, YouTube Tweaks has you covered.