Grade with the precision of a caliper, not a guess.
CardGraderIO measures centering to a tenth of a millimeter, scores corners and edges with AI-assisted analysis, and exports a submission-ready PDF report — before you ever pay for grading.
L 51% · R 49%
Corner 998/1000
±0.1mm
How it works
1
Upload
Front and back photos of your card, straight from your phone.
2
Measure
Centering, corners, edges, and surface — with a digital gauge overlay and AI-assisted analysis.
3
Grade
A combined PSA / BGS / CGC / SGC / TAG estimate, built from the actual measurements.
4
Export
A submission-ready PDF report, before you ever pay a grading company.
One plan. Everything included.
Unlimited grading sessions, AI-assisted TAG and centering analysis, card info & market data lookup, and PDF exports.
View pricing