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 guidePractical guides for clearer card photos and centering checks.
These guides explain the visible, photo-based parts of a centering workflow. They do not replace official grading, authentication, or professional condition review.
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 checklistKeep the evidence with the measurement.
CardAlign is an iOS pre-grading preparation tool for collectors who want to capture, calibrate, review, and export their own card records.