chatwork一括既読ボタン is a Chrome add-on developed by growsic that allows users to mark unread threads as read with just one click. This add-on specifically targets threads that are not pinned.

By clicking on the icon, users can quickly mark their unread chats as read. However, it's important to note that pinned chats will not be affected by this add-on.

Please be aware that marking unread chats as read can take some time, as each chat needs to be clicked individually.

Overall, chatwork一括既読ボタン is a useful tool for Chatwork users who want to efficiently manage their unread threads. With just one click, users can save time and easily keep track of their chats.