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Free tools, comprehensive guides, and learning resources to help you understand card grading, assess your collection, and make better decisions.
Analyze your cards from every angle. Each tool focuses on a specific aspect of card condition using CGI Vision AI technology.
Measure left/right and top/bottom centering ratios. See exactly how your card compares to PSA, BGS, and SGC centering thresholds.
Verify any PSA, BGS, CGC, SGC, or TAG certification number. Free instant lookup across all major grading companies.
Estimate your card market value based on condition and grade. Compare values across PSA, BGS, and raw card markets.
Analyze the condition of all four card edges. Detect chipping, whitening, dents, and wear patterns that affect grading.
Evaluate card surface condition including scratches, print defects, staining, and holographic integrity.
Comprehensive guides covering grading standards, condition analysis, and everything you need to know about getting your cards professionally graded.
Complete guide to the 1-10 grading scale with all 19 grades, the four condition pillars, and PSA vs BGS vs CGC differences.
Deep dive into centering thresholds for PSA, BGS, and CGC. Learn what ratios you need for each grade level.
Special considerations for grading vintage and pre-1990 cards. Modified standards, cardstock differences, and what to expect.
How to read and interpret AI-generated condition reports. What each metric means and how to use the data for buying and selling decisions.
Step-by-step walkthrough of the CGI Vision AI grading process. From photo upload to grade prediction in 60 seconds.
Guide to grading hundreds of cards at once with AI. Pre-screen collections before professional submission and save on fees.
Compare five major grading companies by current pricing, turnaround, grading scale, and the cards each service fits best.
| Company | Best For |
|---|---|
| PSA | Sports, Pokémon, resale liquidity |
| Beckett | Subgrades and Black Label |
| CGC | Pokémon, Magic, and other TCGs |
| SGC | Vintage sports and direct value |
| TAG | Eligible modern cards and DIG reports |
Yes. CardGrade.io offers several free educational tools including the centering calculator, value calculator, edge analyzer, and surface analyzer. Paid plans for the full AI grade predictor range from Hobby ($4.99/month) up to Business ($74.99/month). Cancel anytime. 2-grade credit-back guarantee.
It depends on your cards. PSA generally offers the strongest liquidity, Beckett provides detailed subgrades, CGC is deeply established in TCGs, SGC is respected for vintage sports cards, and TAG offers granular reports for eligible modern cards. CardGrade.io helps you pre-screen visible condition before you submit.
CardGrade.io uses AI-powered analysis to predict PSA, BGS, and SGC grades. The AI analyzes 47 inspection points across four condition pillars (centering, corners, edges, surface) and provides a confidence score with every prediction.
The centering calculator, value calculator, and informational tools are available without an account. The AI-powered grade predictor requires a CardGrade.io account and a paid plan.
Start with our Grading Standards guide for a complete overview of the 1-10 scale and four condition pillars. Then explore our specialized guides on centering analysis, vintage grading, and condition reports. Our blog also publishes regular articles on grading tips and market trends.