Collectible Cardz PSA Grading Lab — Free Card Centering Tool

Card alignment

Orange: card edgeBlue: artwork edge

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Start with a card photo

Upload a photo with the full card visible on a white background. Drag guides to measure centering.

Calibration estimates border positions. Check every guide.

Zoom100%

Photo tips

Use a white background.
Use 2× zoom on your phone.
Center the card until the iPhone alignment “+” turns yellow.
Keep all four edges visible and avoid glare or heavy shadow.

PSA centering reference: Front 55/45 · Back 75/25. You can measure either side with these same guides; the Pass/Not Pass result uses the stricter front 55/45 threshold. Free tool by Collectible Cardz · Unofficial and not affiliated with PSA. Estimates centering only, not a final grade. Always check guides manually.