Ultimate WhatsSender is a Chrome extension developed by Conveys Information Technology. This free tool is designed to assist marketers in automating their WhatsApp marketing campaigns.

With Ultimate WhatsSender, users can easily send bulk WhatsApp messages to any contacts. The program offers various features to enhance accessibility and automation. Users can import numbers from a CSV file or enter them directly into the text box. Messages can be sent to selected numbers, and attachments can be included with captions. The tool also supports dynamic values, such as customer names, through the use of the {name} variable.

In addition, Ultimate WhatsSender allows users to check the status of sent messages and customize the name displayed in the message. It also supports the sending of image, video, audio, and file attachments.

Please note that Ultimate WhatsSender is an unofficial enhancement tool for WhatsApp Web and is not endorsed or certified by WhatsApp Inc.