WA Pro Sender is a Chrome extension that allows users to connect with their clients via WhatsApp messages. Users can send customizable single or multiple messages to their clients. The free version includes features like unlimited messaging, Excel uploads, privacy settings, and pinning unread chats to the top.

In the PRO version, users can enjoy additional features such as sending attachments, personalized bulk messages with names, setting time intervals between messages, and downloading reports of sent/failed messages. Users can also create their own chatbot on WhatsApp Web. The tool offers instant one-click downloads for various contact types, support for all contact groups, tags, broadcast lists, and chats, and customer support via chat, WhatsApp, or phone.