Video Transformer is a Firefox extension designed for seamless video manipulation, allowing users to adjust streaming videos and images through customizable hotkeys. The tool draws inspiration from MPC-HC's Pan and Scan Rotate system, enabling transformations like zooming, stretching, flipping, and rotating to enhance viewing experiences. Users can combine these transformations to tailor their video displays, making it particularly useful for correcting aspect ratios or eliminating black bars.

The extension supports a variety of popular video platforms such as YouTube, Vimeo, and Dailymotion, among others. With a user-friendly settings page, it allows for the modification of hotkeys and scaling options, ensuring a personalized experience. The extension also includes troubleshooting tips for common issues, enhancing its usability. Overall, Video Transformer stands out as a versatile tool for anyone looking to optimize their video viewing experience.