WhatsApp QR Code Generator
Create a QR code that opens a WhatsApp chat with your number — perfect for shops, support desks, and freelancers.
QR type
Style
Fill in the form and click Generate to preview your QR code.
Why use a WhatsApp QR code?
A WhatsApp QR code opens a chat with your phone number when scanned. Customers do not need to save your contact first. That makes it useful for storefronts, product packaging, business cards, event booths, and customer support desks.
You can optionally pre-fill a message such as “Hi, I saw your poster and want to order.” That helps you recognize the campaign or location the lead came from without complex tracking tools.
maintool builds the WhatsApp deep link and QR image entirely in your browser. Your phone number is not uploaded to our servers for generation.
Best practices for WhatsApp QR codes
- Use your full phone number with country code (digits only, no + sign).
- Keep pre-filled messages short and clear.
- Test the QR with WhatsApp installed on iOS and Android before printing.
- Place codes where people naturally pause: checkout counter, table tent, reception, or packaging insert.
- Print at least about 2×2 cm (0.8×0.8 in) and keep high contrast between dark modules and light background.
Personal vs Business WhatsApp
WhatsApp QR codes work with both personal and WhatsApp Business accounts. Business accounts add profile features (catalog, labels, away messages), but they are not required for the QR itself to open a chat.
Because maintool codes are static, changing your pre-filled message means generating and distributing a new image. Plan message text carefully before large print runs.
Just need the plain link without a QR code? Use the WhatsApp Link Generator.