Steam Workshop Tweet Button is a free Chrome add-on developed by Gakuto1112. It allows users to conveniently share their own creations or projects they are involved in on Twitter. By inserting a tweet button, users can easily post completion announcements on their Twitter accounts.

This add-on adds a tweet button to the pages of users' own creations or projects they are involved in on Steam Workshop. With just a click, users can share their work on Twitter and notify their followers about the completion.

It's worth noting that this extension does not collect or transmit any user data, ensuring privacy and security.