Scan
Photograph a card to identify it and add it to your binder. Works with a sleeve on, and with graded slabs — glare on the label is the only thing that reliably breaks it.
Point your camera at a card, filling the frame.
Photos are sent for recognition and are not stored on the server. In the native builds this uses the device camera through Capacitor; on the web it uses the browser camera, with a photo-picker fallback for browsers that block it.