F1 Card Tools
Free calculators and lookups to make smarter collecting decisions. No signup, no fluff.
Most popular
Grading 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 → NewPSA Card Centering Tool
Centering is the first thing a grader measures. Enter your border widths to get your exact centering ratio (like 55/45) — front and back — and the highest PSA grade it could support.
Open tool → Most usedF1 Card Price Checker & Collection Value Tracker
Look up what any card actually sold for on eBay, then log your collection and track its total value — saved privately in your browser, no signup, one-click sold comps on every card.
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