Export unknown numbers from WhatsApp
Save unknown numbers from WhatsApp to your Phone Contacts. iKontacts Chrome Extension developed by Bomosi that helps you easily save all new whatsapp numbers to phone contacts easily. iKontacts app will export all unknown WhatsApp numbers to text(txt) file. All non saved mobile numbers will be comma separated format in the exported contacts list.
How to save numbers into your Phone Contacts?
1. Open web.whatsapp.com on computer browser & connect with WhatsApp
2. Press button 'Export to Text File' shown in the iKontacts Extension
3. Upload exported file to your any of online drives (Google Drive, Dropbox etc)
4. Open the file in your mobile and copy each number from the File
5. Open Contact menu in your mobile and open Create New Contact
6. Paste the copied number and enter the Name
7. Press Save menu. Thats all to save contacts
Also you can try other third party apps like iKontacts App for iOS & Android to save all numbers from the file into contacts quickly