Workflow
Zoom: pinch (touch) or mouse wheel.
Pan: two-finger drag (touch) or middle mouse drag.
Measure: click the borders as guided by the status.
Pan: two-finger drag (touch) or middle mouse drag.
Measure: click the borders as guided by the status.
Geometry correction
Load an image to begin.
Measure centring
LR: L1 outer, L2 inner, R1 inner, R2 outer.
TB: T1 outer, T2 inner, B1 inner, B2 outer.
TB: T1 outer, T2 inner, B1 inner, B2 outer.
Status
Load an image.
Results
Left / Right
–
Not measured.
Top / Bottom
–
Not measured.
10 threshold (centering only)
PSA 10
Front 55/45 · Back 75/25
CGC 10
Front 55/45 · Back 75/25
ACE 10
60/40
BGS Pristine 10
Front 50/50 · Back 60/40
CGC Pristine 10
50/50 all around (≈)
Measure Left / Right and Top / Bottom to see pass or fail.
Notes
Pokémon aspect ratio: 63×88 mm (H/W ≈ 1.3968)
Export PDF includes: annotated image, pixel counts, and centring %.
Tip: phone photos look best at 2× zoom from a bit further back.
Disclaimer: This aims to estimate centring as accurately as possible, but results depend on image quality and it can’t account for lens distortion, perspective warp, or bent or warped cards.
Export PDF includes: annotated image, pixel counts, and centring %.
Tip: phone photos look best at 2× zoom from a bit further back.
Disclaimer: This aims to estimate centring as accurately as possible, but results depend on image quality and it can’t account for lens distortion, perspective warp, or bent or warped cards.
Keyboard: U undo, R clear current axis