QR codes have become a ubiquitous part of our digital lives, providing quick access to websites, contact information, and more. But what do you do when the QR code you need to scan is already displayed on your phone’s web page? Since your device’s camera cannot read a QR code from its own screen, you must employ alternative strategies. This article outlines several methods for scanning such QR codes, with practical steps for both iPhone and Android users.
Option 1: Use a Second Device
The simplest method is to use another device—a friend’s phone, a tablet, or even a computer equipped with a webcam—to scan the QR code.
Steps:
- Display the QR Code Clearly: Ensure that the QR code is visible on your primary phone without any glare or reflections.
- Activate the Scanner on the Second Device: Open the camera app or a dedicated QR code scanning app on the second device.
- Position the Devices: Hold the second device’s camera in front of your primary phone’s screen so that the QR code fills the frame.
- Scan and Verify: Allow the scanner to capture and decode the QR code, then follow the prompt or link provided.
Option 2: Scan from a Screenshot Using a QR Code Scanner App
If you do not have access to a second device, you can capture a screenshot of the QR code and then use an app that can read QR codes from images.
For iPhone Users:
- Take a Screenshot:
- On newer iPhones (without a Home button), press the Side Button and the Volume Up button simultaneously.
- On older models, press the Home Button and the Sleep/Wake button at the same time.
- Install a QR Code Scanner App: Look for apps in the App Store that support scanning QR codes from saved images. Examples include “QR Code Reader” or “QR Scanner.”
- Open the App and Import the Screenshot: Follow the app’s instructions to load the screenshot from your photo library.
- Scan and Decode: Let the app process the image, and it should display the QR code’s contents or redirect you to the associated link.
For Android Users:
- Take a Screenshot:
- Most Android devices allow you to take a screenshot by pressing the Power Button and the Volume Down button simultaneously.
- Use Google Lens or a Dedicated QR Scanner App:
- Google Lens, often built into the camera app or available as a standalone app, can scan QR codes from your gallery.
- Alternatively, download a dedicated QR code scanner that allows image uploads.
- Import the Screenshot: Open the app, select the option to scan from an image, and choose your screenshot.
- Review the Results: The app will process the QR code and display the information or link encoded within it.
Option 3: Use a Desktop or Laptop
If a second mobile device is not available, you can transfer the QR code image to a computer and use an online QR code reader.
Steps:
- Transfer the Image: Email the screenshot to yourself or use a cloud service to access it on your desktop.
- Visit an Online QR Code Scanner: Websites such as ZXing Decoder Online allow you to upload an image containing a QR code.
- Upload and Scan: Follow the website’s instructions to upload your image, and it will decode the QR code for you.
- Act on the Information: Once the QR code is decoded, you can follow the link or note the information provided.
Considerations and Tips
- Image Quality: Whether you’re using a second device or a screenshot, ensure that the QR code is clear and well-lit to avoid scanning errors.
- Security: Be cautious when scanning QR codes, especially from unknown sources, as they can sometimes lead to malicious websites or phishing attempts.
- App Permissions: Ensure that any app you use has the necessary permissions to access your camera or photo library securely.
Conclusion
When a QR code appears on your phone’s web page, you have multiple methods to decode it without directly scanning your own screen. Whether you choose to use another device, capture a screenshot and scan it with an app, or transfer the image to a computer, these strategies enable you to access the information embedded in the QR code. By following the steps outlined for iPhone and Android users, you can overcome this common obstacle and make full use of the digital conveniences QR codes offer.