Card Centering Checker
Know your centering before you submit. Measure the centering of your trading cards in seconds and instantly see how your card stacks up against PSA, BGS, CGC, ACE, and TAG grading standards — right from your phone.
Free to try · 2 scans/day · Upgrade for unlimited
Three simple steps to know exactly where your card stands before spending on grading fees.
Take a photo or upload from your gallery. Works with any trading card — Pokémon, sports cards, MTG, and more.
Use draggable guide tabs or edge sliders to align to your card's borders. Choose the control style that works for you.
DingDetect calculates top, bottom, left, and right centering percentages and maps results instantly against grading standards.
Everything you need, right from your phone.
Centering Tool
Grade Predictions
Dashboard & Stats
Results & Export
Scan History
Front & back centering analysis
Measure both sides of your card for complete centering data.
Grade predictions for 5 companies
See your estimated tier for PSA, BGS, CGC, ACE, and TAG at a glance.
Draggable guides or edge sliders
Two control styles so you can pick what feels natural.
Scan history
Track and revisit every card you've checked.
Dashboard stats
Total scans and per-company centering performance over time.
Customizable grading company display
Show only the companies you submit to.
Export & share results
Export your centering results as an image to share anywhere.
Start for free. Go Pro when you're ready to unlock everything.
$0
Upgrade in-app
AI-powered surface scanning to automatically identify dings, scratches, and print defects before you submit — so you know exactly what grade to expect.
Download DingDetect free and start measuring your cards today.