Scan a QR code from an image

Scan a QR code.
From an image.

Someone sends you a QR code. It is already on your phone, so pointing your camera at it is not an option. Import the image into QRDex, check what it contains, and save the code for next time.

Start with the steps

QRDex guide · iPhone, iPad & Android

QRDex Add QR screen with image import, camera scan and manual creation options.
Start with a photo or screenshot.

How to scan a QR code from a screenshot

Start with the original image when you have it. A screenshot also works when the entire QR code and the clear border around it are visible. Save the picture to your device so it is available in the system photo picker.

  1. Open Add QR in QRDex. Choose the image import option. You can also import a photo from the Scan screen.
  2. Select the image. Choose the screenshot or photo containing the QR. Use an image with one clearly visible code.
  3. Review the result. QRDex shows the decoded content before you decide what to do with it. Check the destination or text.
  4. Name and save it. Give the QR a useful label, such as “Guest Wi-Fi” or “Portfolio,” then save it to your collection.

The flow works with saved images on iPhone, iPad and Android. You do not need another screen or a printed copy. See the QR scanner app overview for the camera scanning flow.

If the image will not scan

The reader needs enough detail to distinguish the small squares in the QR. A tightly cropped code, heavy compression, a decorative overlay or a blurry photo can hide that information.

  • Keep the full code and its white border in the image.
  • Ask for the original image if a messaging app has reduced its quality.
  • Use a clearer image with one QR instead of a collage of several codes.
  • If you crop a screenshot to isolate the code, leave space around all four sides.

QRDex reads QR codes. A product’s striped barcode is a different format. If the image contains a payment or login code, the service that issued it may also set an expiration; saving the image does not extend that lifetime.

Keep the useful code, not a camera-roll search

Once saved, the QR has a name and a place in your library. Add it to a collection, mark it as a favorite, or show it fullscreen when someone needs to scan it. You can export a QR image or share it through your device’s share sheet.

For a code you show often, create a home screen QR widget. A screenshot you used to search for can become a named shortcut. Keep temporary or private codes in the app when a visible home screen would not be appropriate.

What happens to the imported image?

Image recognition happens on your device. QRDex does not upload the selected picture to a QR recognition server. Saving keeps the decoded QR content in your local collection; opening a decoded link is a separate choice.

Importing a QR does not prove that its destination is trustworthy. Read the result first, especially if the image came from an unfamiliar sender. You can find details about photos and local storage in the privacy policy.

Common questions.

Can I scan a QR code displayed on the same phone?

Yes. Save a screenshot and import it into QRDex. Keep the code and its border fully visible.

Do I need an internet connection to read the image?

QR recognition and saving happen on your device. Opening a web destination or sharing through an online service may need internet access.

Will importing a QR automatically open a website?

No. QRDex shows the content first so you can review it before saving or opening it.