Tools # Free tools for card collectors Browser tools for the decisions collectors make before a submission, powered by the same Cardinal engine as the app. No account, nothing to install. [ ## Worth-grading calculator Enter a card's raw value and graded prices: see, grade by grade and company by company, what grading would cost and net after the fee. Open →](https://cardinal-app.ai/tools/worth-grading-calculator/)[ ## Centering calculator Upload a photo: the card's borders are measured automatically, you fine-tune the lines, and get the left/right and top/bottom ratios and the PSA centering grade. Open →](https://cardinal-app.ai/tools/centering-calculator/)[ ## Grading fees Every grading company's current tiers, fees, turnaround and value caps, updated daily. Open →](https://cardinal-app.ai/tools/grading-fees/) ## The full read is in the app. Scan, price and pre-grade any card. Free on iPhone and Android. --- Get Cardinal, free: [App Store](https://apps.apple.com/app/cardinal-tcg-scan-grade/id6810442266) · [Google Play](https://play.google.com/store/apps/details?id=ai.cardinal.app)