One Scan To Connect
A WiFi QR code removes the worst part of sharing a network: dictating a long password and watching people mistype it. The code stores your connection details in a small standard format, written as WIFI:T:WPA;S:ssid;P:password;;, that both iOS and Android understand natively. When someone scans it, the phone reads the network name, the security type, and the password, then offers to join the network in a single tap. There is no typing and no chance of a wrong character. The same camera app people already use for any QR code handles it, so guests do not need to install anything. This is why cafes, hotels, and offices print these codes at reception desks and on tables. The convenience is real, but it comes with one honest tradeoff worth understanding before you print: anyone who can scan the code can read the password it contains, since the credentials are stored in the code itself rather than hidden behind a login.