Centering Caliper

or drop an image here — or a saved .cardproj.json to pick up where you left off

Horizontal Calipers

Top

From top —

From bottom —

Vertical Calipers

Left

From left —

From right —

Zoom

100%

Detection runs automatically when an image is added. Automated detection can make mistakes. Adjust rulers manually to get the closest possible measurements.

Centering Analysis

and mark all four borders to see centering ratios.

Card game

Company	Best qualifying grade

Provided as a visual aid, not an objective grade guarantee. Inspect the full-resolution images directly. Professional grading also weighs edges, corners and surface condition alongside centering, so a strong centering result on its own does not predict a grade.

Which side of the card is this?

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