GRADE CHECK
STATION 01
Drop a scan to measure centering and estimate grade potential before you list. Measurements are estimates from the image, not an official grade.
1
Line up the card. Auto-framed on upload — drag a pink corner only if it's off. Loupe zooms while you drag.
Snap
Looks right →
2
Corner check. Dashed arc = factory-fresh corner (radius 32px). Drag inside a tile to fine-align. Wear = silhouette inside the arc.
−
+
← Card
Frame →
3
Centering frame. Auto-set to the border line — drag the blue edges to correct. Numbers update live.
← Corners
Loading OpenCV…
Centering
–left / right
–top / bottom
Border widths (px)
| Left | – |
| Right | – |
| Top | – |
| Bottom | – |
Surface · Corners · Edges
AI defect scan (scratches, whitening, print lines) + full grade estimate with sub-grades and grade-vs-sell-raw ROI.