How to use the WhatsApp QR Code Generator
- Replace the example number in the link with yours: country code and number, digits only (e.g. https://wa.me/447700900123).
- Optionally add ?text= and a message, e.g. https://wa.me/447700900123?text=Hi
- Download the QR code as PNG or SVG.
The link format
WhatsApp opens chats from links like https://wa.me/<number>. Use the full international number without +, spaces or dashes — for example 447700900123 for a UK number. Add ?text=Hello%20there for a prefilled message (spaces become %20).
The number is visible to anyone who scans the code, so use a business number if you post it publicly.
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Tools that pair well with the WhatsApp QR Code Generator
- QR Code with Logo — Make a QR code with your logo in the middle.
- SMS QR Code Generator — Make a QR code that opens a text message to your number with the message already written — for opt-ins, contests, votes and quick support.
- Phone Number QR Code Generator — Make a scan-to-call QR code: scanning it opens the phone’s dialer with your number ready — perfect for flyers, shop signs, vehicles and business cards.
- URL Encode / Decode — Percent-encode text for safe use in URLs, decode encoded strings back to readable text, and break any URL down into its parts and query parameters.
Frequently asked questions
Does it work without saving my number?
Yes. The chat opens directly — the customer doesn’t need to add you to contacts first.
Can I prefill a message?
Yes. Add ?text= followed by your message to the link, with %20 for spaces.
Does the code expire?
No. It works as long as the number uses WhatsApp.
Can I install WhatsApp QR Code Generator as a web app and use it offline?
Yes. WhatsApp QR Code Generator is an installable web app (PWA) — installed from your browser, not downloaded from an app store. Click Install app at the top of this page in Chrome or Edge (Windows, macOS, Linux, ChromeOS) or on Android, use Share → Add to Home Screen on iPhone and iPad, or File → Add to Dock in Safari 17+ on a Mac. It then opens in its own window with its own icon, and because it runs entirely in your browser it keeps working offline. Firefox on desktop can’t install web apps. How installing works.