DIDO Sender

Best Message Sending Extension. Send customized notifications and offer messages.
* Connect customers without saving numbers.
* Connect with any country customers.
* Easy integration with Excel Sheet.
* Customizations in message
* Send image, video and pdf file attachments
* Filter numbers
* Download saved/unsaved contacts/numbers from groups, broadcast lists and
* Download/export/save all contacts

Disclaimer:
This Google Chrome plugin is not endorsed or certified by WhatsApp Inc.
This is only enhancement tool for WhatsApp Web to help you out.

This extension is not meant for automated spamming. If you try to spam people your number might get banned by whatsapp.