Baseball Card Tools
Free calculators and lookups to make smarter collecting decisions. No signup, no fluff.
New
Aaron Judge Card Value Checker
What's your Judge card worth? Pick the card, the finish and the grade, and open the real eBay sold prices for that exact card — live market data, never a stale price guide.
Open tool → Most popularGrading ROI Calculator
Should you send that card to PSA, SGC, or CGC? Enter your numbers and see the expected profit — and the break-even — before you spend a dime on grading.
Open tool → NewCard Centering Tool
Centering is the first thing a grader measures. Enter your border widths to get your exact front centering (like 55/45) and the highest PSA grade it could support.
Open tool → NewCollection Value Tracker
Log your cards and track your collection's total value over time — saved privately in your browser, no signup. One-click eBay sold comps for every card.
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