Measurement basics
How to measure trading card centering from a photo
Learn what to compare, why both axes matter, and when a photo cannot support a dependable reading.
Read the measurement guideTrading card centering and condition review guides.
Learn to photograph cards, calculate centering ratios, inspect visible condition, and keep evidence with a 1–100 CardAlign condition score. These guides do not replace official grading, authentication, or professional inspection.
Start with the workflow you need
Photo checklist
How to take a card photo for a reliable centering check
Use a practical capture checklist for angle, glare, card edges, background, sleeves, and retakes.
Read the photo checklistCondition checklist
How to Review Trading Card Condition: Centering, Corners, Edges and Surface
A useful condition record explains what you saw, where you saw it, and what the photo could not show. Check both sides across centering, corners, edges, and surface before interpreting a score.
Read the condition guideKeep the evidence with the card record.
CardAlign guides capture, calibration, supported-card identity confirmation, condition review, condition scores, and export inside one iOS workflow.