SlabScore — Card Grading Calculator & ROI Analyzer

Free card grading ROI calculator for PSA, CGC, BGS, TAG, ACE. Instant profit analysis on eBay & PriceCharting.

Stop losing money on cards that aren't worth grading. SlabScore instantly tells you the expected ROI of grading any card you find on eBay, TCGPlayer, or PriceCharting — before you spend a dime on submission fees. Visit any card listing and get an instant score from 0-100 that factors in profit potential, market depth, grade premium, and downside protection. HOW IT WORKS Browse cards on supported marketplaces and SlabScore automatically extracts the card name, price, and variant. The extension scores each card and displays a badge directly on the page with a clear recommendation: Strong Grade, Grade, Consider, or Skip. WHAT YOU GET Score badges injected directly into search results so you can scan dozens of cards at a glance One-click analysis on any eBay, TCGPlayer, or PriceCharting product page Grade-by-grade price breakdown showing profit and ROI from PSA 7 through PSA 10 Side-by-side fee comparison across five grading companies: PSA, TAG, CGC, BGS, and ACE Suggested grading tier based on card value and expected return Personalized cost settings — enter your actual shipping, insurance, and declared values Analysis history that tracks cards you've viewed in your browsing session Right-click context menu to manually analyze any card or selected text SAVE TO YOUR PORTFOLIO Sign in with your SlabScore account to save cards directly to your portfolio with one click. Cards sync instantly to the SlabScore web app at slabscore.io, where you can track your full collection, manage grading batches, run submission simulations, and monitor your grading ROI over time. SUPPORTED MARKETPLACES eBay (.com, .co.uk, .ca, .com.au) TCGPlayer PriceCharting SUPPORTED CARD TYPES Pokemon, Yu-Gi-Oh, Magic: The Gathering, Baseball, Basketball, Football, Hockey, soccer, and other sports cards and trading cards. FREE AND PRO The extension is completely free for basic analysis — no account required. Create a free SlabScore account to save cards and sync your portfolio. Upgrade to Pro or Unlimited at slabscore.io for higher limits, cloud sync, and advanced tools like the Grading Optimizer and Submission Simulator. Whether you're submitting to PSA, CGC, BGS, TAG, or ACE, SlabScore helps you pick the right cards and the right grading company every time. SlabScore is built by collectors, for collectors. Stop guessing which cards are worth grading and start making data-driven decisions. Learn more at slabscore.io