Midpoint — Card Centering Tool

Measure trading card centering (L/R + T/B) and estimate a PSA/BGS grade, free and on-device. Right-click any card image.

Midpoint measures trading card centering right in your browser — free and 100% on your device. 📐 Add a card image (drop, paste, or click) — or right-click any card photo on eBay, COMC, or anywhere and choose "Measure card centering." 🟨 Line up the yellow box to the card's edge and the cyan box to the printed border. 📊 Instantly see left/right and top/bottom centering and an estimated PSA, BGS, CGC, and TAG grade. 🔒 Your photo never leaves your device — no uploads, no account. Great for checking a listing's centering before you buy, or grading your own cards before you submit. For auto edge-detection, front + back grades, saving your collection, and price estimates, get the full tool at cardcenteringtool.com. Not affiliated with or endorsed by PSA, BGS/Beckett, CGC, SGC, or TAG. Centering estimates are for reference only and don't guarantee any grade.