YouTube Zoom is a chrome add-on developed by masiroiizo that adds a zoom function to YouTube. With this add-on, users can easily zoom in and out while watching videos on YouTube. The zooming can be done using either the spin button or by dragging and moving the label.

This add-on is a convenient tool for those who prefer to watch videos on YouTube with a larger or smaller screen size. Whether you want to focus on the details or have a wider view, YouTube Zoom allows you to adjust the zoom level according to your preference.

Overall, YouTube Zoom is a simple and useful add-on for enhancing the viewing experience on YouTube. It is free to use and can be easily installed on the Chrome browser. Give it a try and enjoy a more personalized viewing experience on YouTube!