Previews (For TTV & YT) is a Chrome add-on that provides live video or image previews when hovering over streams on Twitch and YouTube. It also offers a range of quality of life improvements for both platforms. The add-on includes features such as image or live video stream previews in the sidebar and directories, preview resize and volume control, clips previews, and the ability to see your own live stream thumbnail as seen by viewers. It also offers features like multi-stream and multi-chat, transparent/dynamic chat overlay, auto channel points clicker, clip downloader, and much more. With Previews (For TTV & YT), users can enhance their streaming experience and enjoy a more convenient and interactive browsing experience on Twitch and YouTube.