Enter your number and whoever scans the code can start a WhatsApp chat with you. Your data never leaves this computer.
Preview
Scan the code with your phone once before printing.
On their phone WhatsApp offers to open a chat with your number. If you wrote a prefilled message the message box comes filled in, and they can change it before sending.
With the country code and digits only, for example 15551234567 for a US number. The tool already strips non-digit characters such as +, spaces and brackets.
No. The code contains the link itself, is not stored in any account and never expires. If you change your number you need to create a new code.