How to chat on WhatsApp without saving the Mobile Number

Open WhatsApp Web on your computer or laptop.

In the chat window, type the phone number of the person you want to message in the following format:, where “xxxxxxxx” is the person’s phone number with the country code, but without any spaces, brackets, or dashes.

Press “Enter” to generate a WhatsApp link.

Click the link to open a chat window with the person you want to message.