The 'Show all YouTube chats by default' is a Chrome extension designed to enhance the user experience during YouTube live streams and archived videos. This add-on automatically changes the chat display from 'Top Chat' to 'All Chat', allowing users to view all comments without needing to adjust the settings manually each time they open a video. This feature is particularly useful for those who prefer to see every message in the chat, ensuring that no comments are missed during live interactions or when watching recorded streams.

This free extension simplifies the process of engaging with YouTube chat, making it an essential tool for avid viewers and streamers alike. By eliminating the repetitive task of switching chat modes, users can focus more on content and community interaction. Overall, this tool provides a straightforward solution for a more comprehensive viewing experience on YouTube.