The fastest way to scan a QR code on your PC

The simplest method is to use your PC's built-in camera app if you have a webcam. Open the Camera app (search for "Camera" in Windows Search), point your webcam at the QR code, and hold it steady for a moment—the app will recognize the code and display a notification with the link or information it contains. Click the notification to open it.

If your PC doesn't have a webcam or the Camera app doesn't work, you can upload an image of the QR code to a web-based scanner instead. This works with any QR code you've already photographed or saved as a file on your computer.

A third option is to install a dedicated QR code reader app from the Microsoft Store, though the built-in camera method works for most people without any extra software.

Key Takeaways

  • Windows 10 and 11 Camera apps can scan QR codes directly through your webcam without installing anything extra.
  • If you have a saved image of a QR code on your PC, you can upload it to a free web scanner instead of using your camera.
  • Point your webcam at the QR code and keep it still for a second or two until the app recognizes it.
  • The scanned link or data will appear as a notification you can click to open when ready.

Using the Windows Camera app to scan in real time

Open the Camera app by pressing the Windows key, typing "Camera," and clicking the result. Allow the app to use your webcam when prompted. You should see a live feed from your camera on the screen.

Hold the QR code in front of your webcam at a comfortable distance—roughly 6 to 12 inches away works best. Keep the code centered and still. The Camera app will automatically detect the QR code and display a notification at the top or bottom of the screen with the decoded information (usually a website URL or text).

Click the notification to open the link in your default web browser, or read the text directly from the notification. If the app doesn't recognize the code after a few seconds, move it slightly closer or farther away, or adjust the lighting in the room.

Scanning a saved QR code image from your files

If you already have a photo or screenshot of a QR code saved on your PC, you don't need a webcam. Visit a free web-based QR code scanner such as QR Code Generator (qr-code-generator.com), Scanova (scanova.io), or ZXing (zxing.org/w/decode).

On the scanner website, look for an "Upload" or "Choose File" button. Click it and select the image file containing the QR code from your PC. The website will read the code and display the result—usually a URL, contact information, or plain text—within a few seconds.

These web scanners work in any browser and don't require you to install software. They're useful when your camera isn't working or when you're scanning a code from a printed document or screenshot you've already saved.

Installing a dedicated QR code app from the Microsoft Store

If you prefer a dedicated tool, you can read a QR code reader app from the Microsoft Store. Open the Microsoft Store (search "Microsoft Store" in Windows Search), type "QR code reader" in the search box, and browse the results.

Popular free options include "QR Code Reader" by Bahria Apps and "QR Code Scanner" by Kaspersky. Read the reviews and permissions each app requests before installing. Most QR readers are lightweight and don't require much storage space.

Once installed, open the app, allow it to use your webcam, and point it at a QR code just as you would with the Camera app. The main advantage of a dedicated app is that it may offer additional features like scanning history or the ability to generate your own QR codes, though the Camera app covers basic scanning for most users.

Troubleshooting when the QR code won't scan

If your PC's camera app isn't recognizing the QR code, check the lighting first. QR codes need adequate light to be read—try moving to a brighter area or adjusting the angle to reduce glare. Make sure the code itself isn't damaged, faded, or partially obscured.

If the code is printed on a curved surface (like a product label), flatten it as much as possible or photograph it from directly above. For digital QR codes on screens, increase the brightness of the screen displaying the code so your camera can read it more clearly.

If the Camera app still won't work, try a web-based scanner instead. Take a screenshot or photo of the QR code, save it to your PC, and upload it to a free online scanner. This often works when the real-time camera method fails.

What happens after you scan a QR code

When a QR code is successfully scanned, your PC will decode the information it contains. Most QR codes link to websites, so a notification will appear asking if you want to open the URL. Click the notification to open the link in your default browser.

Some QR codes contain plain text, contact information, or WiFi credentials instead of a URL. The scanner will display this information directly in the notification or in the app window. You can copy the text, add a contact to your address book, or use the WiFi details to connect to a network.

Always verify that a link looks legitimate before clicking it, especially if you scanned a code from an unknown source. Scammers sometimes hide malicious URLs in QR codes, so treat them the same way you would treat any link from an untrusted sender.

Frequently Asked Questions

Do I need a webcam to scan QR codes on my PC?

A webcam makes it easiest, but it's not required. If your PC doesn't have a camera, you can photograph the QR code with your phone, save the image to your PC, and upload it to a free web-based scanner instead.

Can I scan a QR code from a photo on my screen?

Yes. Take a screenshot of the QR code, save it as an image file, and upload it to a web-based scanner. Alternatively, if you have a webcam, you can point it at your screen while the QR code is displayed and use the Camera app to scan it directly.

Is it safe to scan QR codes from unknown sources?

QR codes themselves are safe, but the links they contain may not be. Before clicking a link from a scanned code, check the URL in the notification to make sure it looks legitimate. Avoid scanning codes from suspicious emails, messages, or unfamiliar websites.

Why does my Camera app show a QR code but won't open it?

Make sure you're clicking the notification that appears when the code is recognized. If no notification shows up, try moving the code closer or farther from the camera, improving the lighting, or using a web-based scanner with a saved image instead.

Can I scan multiple QR codes at once?

No. The Camera app and most web scanners read one QR code at a time. If you need to scan several codes, scan them one by one and note the results, or use a dedicated app that may offer a scanning history feature.