Centerline

Card centering & grade estimator

Upload a front and/or back scan. Drag the pink guides to the outer edge of the card, and the blue guides to the inner border. Auto-detect gives a starting guess — your placement is what counts.

Adjust image — square up a tilted scan

Left / Right

— / —
L 50%R 50%

Place all four vertical lines.

Top / Bottom

— / —
T 50%B 50%

Place all four horizontal lines.

Centering ceiling

max grade from
centering alone

Centering only. Corners, edges, surface and print are not assessed and can lower the final grade.

Scans this session

Card identity & value

Identify the card from your scan, then pull current raw & graded prices.

Market estimate

Run “Identify & price”, or type a name and hit Links.

Centering thresholds — PSA

Worse axis must stay within the listed ratio
Grade Front (L/R & T/B) Back