A WhatsApp QR code turns any physical surface — your counter, a flyer, your product packaging, a restaurant table — into a direct door to a conversation with you. The customer scans it with their camera and they’re already messaging you, no typing numbers or saving contacts. Here’s how to create one for free and where to place it so it actually generates conversations.
What is a WhatsApp QR code?
It’s a QR code that, when scanned, opens a WhatsApp chat with your number — optionally with a pre-filled message, like “Hi, I saw your ad and I’d like more information.” Technically, the QR just encodes your WhatsApp link; the phone does the rest.
The difference versus printing your number is huge: nobody types a 10-digit number they saw on a sign, but scanning a QR takes two seconds. It’s the physical version of the “click.”
How to create your free QR code in a minute
- Go to the free walinks generator.
- Choose your country and enter your WhatsApp number.
- Add a starter message (optional but recommended — it tells you where the customer is coming from).
- Generate the link — you get a short link on wha.mx and its QR code ready to download, no sign-up required.
The QR points to your short link, not directly to the number. That difference matters: if you ever change numbers, with an account you can edit the link’s destination without reprinting anything.
Where to place your QR (ideas that work)
- Counter or register: “Questions or orders? Message us on WhatsApp” — captures the customer who already bought from you.
- Restaurant tables: to request the menu, order, or book a table. More ideas in our guide to WhatsApp for restaurants.
- Packaging and bags: direct after-sale support, no call centers.
- Storefronts and banners: a closed store can still sell — “Message us and reserve yours.”
- Business cards and flyers: replace “call me” with a channel people actually use.
- Cars and delivery vehicles: rolling advertising scanned at red lights.
Printing and design tips
- Minimum size of 2×2 cm for close-range scanning; for posters, plan on 1 cm for every 10 cm of scanning distance.
- Leave white space around the code (the “quiet zone”) — without it, many cameras fail to read it.
- Always pair it with an instruction and a payoff: “Scan to get the menu” converts better than a QR with no context.
- Test it with both iPhone and Android before printing a thousand copies.
Measure how many people scan
A printed QR without measurement is advertising in the dark. With walinks link analytics you know how many people scanned, from what city, and on which days — so you can see whether the storefront QR or the flyer QR performs better, and where to invest in more prints.
Frequently asked questions
Does the QR expire? No. As long as your link exists, the QR works forever.
Does it work with WhatsApp Business? Yes — the link opens the chat with your number regardless of whether you use regular WhatsApp or Business.
Can I change the starter message after printing? Yes, if the QR points to an editable short link (with a walinks account). If the QR encodes the number directly, no.