Another way to scan a QR code is to do so directly from your iPhone's Camera app. Open your camera and point it to fit the QR code on your screen. A Safari link will then appear under the code, which ...

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.

To find your QR code, head to your profile and select the QR code icon next to your name. From there, someone else can scan the QR code and jump directly to your Mastodon profile.