EmoteZoomYT
Displays a higher res preview of emotes when hovering over them in Youtube stream chats. Preview: https://twitter.com/NekuBaba/status/1540480716009512962
Tampermonkey is required.
You can get Tampermonkey here:
Firefox: https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/
Chrome: https://chrome.google.com/webstore/detail/tampermonkey/dhdgffkkebhmkfjojejmpbldmpobfkfo?hl=en