Red Chat is a Chrome extension designed to enhance the functionality of WhatsApp Web, providing users with a comprehensive CRM experience. It allows for better organization of chats and optimization of business interactions through features such as mass messaging, contact exportation, and a Kanban view for leads. Users can create personalized tabs and notes for each contact, making it easier to manage relationships and follow-ups.

The extension also includes tools for scheduling Google Calendar meetings directly from WhatsApp and setting reminders that notify users within the application. Additionally, Red Chat supports quick responses and the ability to message contacts not saved in the user's phone. With a focus on security, it has passed Google's Chrome security audit and operates without a database, ensuring that all data is processed locally on the user's computer.