Download of Decipher WhatsApp 10.0 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. This software for Mac OS X was originally created by Decipher Media. The application lies within System Tools, more precisely Device Assistants.
From the developer:
Decipher WhatsApp lets you export your WhatsApp chat history and other features. Works for WhatsApp Messages on iPhone, iPad, and iPod Touch. Save and view attachments, such as images and videos. Recovers deleted WhatsApp messages. Decipher WhatsApp is good for installation on an unlimited amount of computers and for reading an unlimited number of backups. Each purchase comes with two free device activations.
You may want to check out more software for Mac, such as Decipher Phone Refresh, Decipher TextMessage or Decipher Backup Browser, which might be related to Decipher WhatsApp.
Other Mobile Utilities
iPhone & iPad