Do these QR codes expire?

No. They're static codes: the content is stored in the code itself, not behind a redirect link, so they work forever and nobody can track scans.

Is my Wi-Fi password sent anywhere?

No. The code is made in your browser. Your network name and password never leave your device.

It uses the standard WIFI: format that Android and iPhone cameras recognise. Scanning it offers to join the network without typing the password.

PNG for screens, documents and messages. SVG for print and design tools, since it stays sharp at any size.

Extra data that lets a code scan even if part of it is dirty or covered. Higher levels are more robust but make the code denser.

Free tool · PNG, SVG

Make a static QR code for Wi-Fi, a contact card, a link, text, email, phone or SMS. PNG and SVG.

Runs in your browser. Nothing is uploaded.

Your files are processed on this device and never leave it. You can even switch off your internet once the page has loaded.

Fill in the details to see your code.

1
Choose what the code is for: a website, Wi-Fi network, contact card, text, email, phone call or SMS.
2
Fill in the details. The preview and the exact content of the code update as you type.
3
Pick colours, error correction and size. Dark on light scans best.
4
Create the PNG and SVG. Where the browser can read QR codes, the PNG is scanned back to check it matches.

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SecretGrid encrypts photos, videos and documents behind a pattern only you know, and removes their location automatically. Free on Android.