Export all your WhatsApp or phone contacts thanks to Export contacts for WhatsApp. With this tool you can then use those contacts for massive SMS on WhatsApp, advertising, promotion and marketing.
It also has the utility of making a backup of your contacts and thus having a backup of them. You can export all the contacts or filter which ones you want to export.
The app filters all your active WhatsApp contacts within your phonebook, and returns a file with all of them.
Functioning
Start the app
Click Export Contacts
A popup will appear asking you to enter the file name
Enter the file name and click Export
A export message and the location of the exported file will be displayed
From the app itself you can preview the file or share it via email, dropbox or google drive.
Note: The exported file is stored directly on the device for use.