REye is a video assistant program developed by jyt321. It is available as a free add-on for the Chrome browser. REye allows users to rotate video screens and is compatible with popular video platforms such as bilibili and YouTube.

With REye, users can easily rotate video screens to their desired orientation. Whether you want to watch a video in portrait mode or rotate it 90 degrees clockwise or counterclockwise, REye provides a simple solution.

To use REye, simply install the program and navigate to the video page you wish to rotate. Then, click on the "Rotate 90° Clockwise" button located in the bottom right corner of the screen. This will rotate the video screen to the desired orientation, giving you full control over your viewing experience.

REye is a useful tool for those who want to customize their video watching experience and have the flexibility to rotate video screens as needed. With its support for popular video platforms and easy-to-use interface, REye is a valuable addition to any Chrome user's toolkit.