HybridTvViewer is a Firefox add-on designed for web development, particularly in the realm of hybrid TV applications. This tool emulates a TV remote control, allowing users to navigate and utilize colored keys seamlessly. It offers an On-Screen Display (OSD) that defaults to a resolution of 1280x720, but users can upscale it for UHD monitors, enhancing the viewing experience. The extension is tailored for developers, providing a dedicated tab in the Web Inspector for efficient debugging and testing of hybrid TV content.

This subscription-based tool is a valuable resource for developers looking to create and test hybrid TV applications. By following in the footsteps of its predecessor, FireHbbTV, HybridTvViewer offers a modern approach to web development in the television space. Its unique features make it an essential addition for those engaged in the development of interactive and multimedia-rich web applications.