How to scan a QR code from an image
Open the image reader and choose a PNG, JPG or WebP file. You can also drop it into the scan frame or paste an image from your clipboard. Avoid messaging app thumbnails if you have the original screenshot.
FIELD NOTES
Practical QR code guides
Learn how to scan images, share contact details, and print QR codes.
QR code types
How to create a WiFi QR code
Use the WiFi generator. Network names are case sensitive. Select WPA for a normal WPA2 or WPA3 personal network, WEP for older networks, or Open for a network without a password.
How to inspect suspicious QR links
A QR code hides a destination until you decode it. Take that opportunity to inspect where it points.
Guides
Learn to scan screenshots, make WiFi and PDF codes, print readable designs and inspect suspicious QR destinations.
Everyday
How to scan a QR code from an image
A screenshot contains the same information as a printed code. You can decode it without pointing a camera at another screen.
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How to scan a QR code using a laptop
Use a webcam for a printed code, or the image reader for a code already visible on your screen.
Everyday
How to create a WiFi QR code
A WiFi code packages a network name and credentials in a format supported by many phone cameras.
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How to create a QR code for a PDF
A document QR code contains a link to a PDF; it does not contain the document itself.
Everyday
How to print a QR code correctly
Print quality depends on module size, contrast, surface and the distance from which someone scans.
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Static and dynamic QR codes, explained
The difference lies in what the code contains and whether a hosted service sits between the scanner and the destination.
Everyday
Why a QR code is not scanning
Work through the physical image, the scanning device and the decoded content separately.
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How to inspect suspicious QR links
A QR code hides a destination until you decode it. Take that opportunity to inspect where it points.
Overview
Read, create and check QR codes online
Valid QR Scan brings a QR scanner and a QR code generator together in your browser.
Overview
How to QR scan with a camera
Open the scanner, start the camera, and allow camera access when your browser asks.
Overview
How to QR scan on iPhone
On an iPhone, open the Camera app and point it at the QR code.
Overview
Scan a QR code from an image or screenshot
Choose an image containing a QR code, drag it into the scanner, or use the supported clipboard image option.
Overview
A free QR scan code generator for everyday sharing
To make your own code, choose a content type and enter the information you want to share.
Overview
Use QR codes for WiFi, contacts, and printed materials
A guest WiFi code can save visitors from typing a long password.
Overview
A browser based QR scan app with local processing
You can use Valid QR Scan as a QR scan app directly in your browser or add it to your home screen where supported.
Overview
Check your QR scan code before sharing
Use dark modules on a light background, leave a clear border, and choose a size appropriate for the viewing distance.
What to know
Valid QR Scan brings scanning, generation, inspection and export into one browser based toolkit. It works without an account and processes QR images and payloads on your device. See how we protect your privacy