Card Centering Tool
Pokémon Card Centering
Choose file
Tip: remove sleeve/toploader, use even lighting, fill most of the frame.
Horizontal %
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Vertical %
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Overall Ratio
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Borders (px)
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Status: Loading OpenCV…
Centering % = min(side1, side2) / (side1 + side2) × 100 (50% is perfect).