Scan a QR Code on Windows Using a Third-Party QR Code Scanner Using CodeTwo QR App. Detect and decode QR codes from an image or webcam. Compatible with: Windows 10 and 11.

On Windows and Linux, ZBar installs two command-line programs: zbarimg to scan barcodes in image files and zbarcam to read barcodes from your webcam. It's a bit on the geeky command-line side of ...