By following these steps, you can easily scan QR codes from images on your mobile device, making it convenient to access information without needing to print or display the QR code physically.

If you want to scan a QR code from an existing image on your computer, follow these steps instead: Open the Codex app and select the Scan QR Code option. Select File from the following screen.

Some scammers will place stickers over legitimate QR codes in public spaces, like on parking meters and posters. As a safe ...

Another way to scan a QR code is to do so directly from your iPhone's Camera app. Open your camera and point it to fit the QR code on your screen. A Safari link will then appear under the code, which ...

Follow these steps to use these two apps to scan a QR code on Android: Launch your native camera app. Take a photo of the QR code, making sure to capture the entire image clearly.

They can be great time-savers, but they're not always obvious in how to use them, particularly if you have an older Android phone. Here's how to scan a QR code with any phone.