This is now available as standard whatsapp feature If you are the group admin, you can invite people to join a group simply by sharing a link with them. To share a group invite link: Go to the group in WhatsApp. Tap the subject of the group. Tap (+) add participant. Tap Invite to group via link. Choose to share the link within WhatsApp or to another app. The admin can use the Revoke link option at any time to make the previous link invalid and create a new link. Anyone with WhatsApp can follow an invite link to join this group, so only share it with people you trust.