Some developers would lead you to believe you need to download their app to scan QR codes. Spoiler: Your phone can do that with built-in features.

If you're using an Android device, here are five of the best QR code scanner apps to download.

You should be vigilant when it comes to QR codes, but don't be afraid to scan them.

How to read a QR code from an image in your Samsung Galaxy phone's gallery Although you don't need an extra app to scan QR codes, Samsung's Camera and Gallery apps can't process locally saved ...

When creating QR codes, they need to be large enough to fit the scanning range of a smartphone. Enlarging the image can also distort the code. Triton recommends having a minimum pixel size of 2cm ...

QR codes are designed to be scanned using a camera, such as those found on your smartphone. QR code scanning is built into many camera apps for Android and iOS.

You could also use the QR code scanner built into Google Lens or your phone's stock camera app to connect. Google Play Store also features dedicated apps for Wi-Fi QR code scanning (beware of QR ...

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

QR code scanning is built into many camera apps for Android and iOS. QR codes are most often used to store web links; however, they can store arbitrary data, such as text or images.