Chatwork 一括招待・退室 is a Chrome add-on designed for streamlining group management within the Chatwork platform. This free tool allows users to invite or remove multiple members across various Chatwork chats simultaneously, making it ideal for managing large teams or reorganizing groups. Key features include saving chat sets with specific names, cross-selection of members from different chats, and immediate addition of members based on their pre-existing contact status.

The add-on offers a range of functionalities such as role selection for members, sorting chats by recent updates, and the ability to retry failed operations. It also supports CSV integration for importing and exporting chat sets, ensuring easy sharing of configurations. Privacy and security are prioritized, with all data stored locally in the browser and safeguards against accidental deletions. The setup process is straightforward, requiring users to register their Chatwork API token and create chat sets for efficient member management.