If you have a QR code saved as an image, a screenshot, or a photo, you can read it directly on your computer instead of hunting for a phone. This tool decodes a QR code from an uploaded image or straight from your webcam, entirely in your browser, and shows you exactly what it contains.
Yes, as long as the QR code is reasonably clear and unobstructed in the photo, it will decode the same as a clean screenshot.
Make sure the QR code is fully visible and not too small or blurry in the image. Cropping the image closer to the QR code sometimes helps.
Yes. Choose "Use Camera" and allow camera access when your browser asks. Point your camera at the QR code and it decodes automatically, no photo needed first.