Know Your Centering Before You Grade

Upload a card photo, mark the 4 corners, and get pixel-perfect centering scores — no ruler, no guesswork. Know if your card's worth submitting before you spend $25+ on a grading fee.

Analyze a Card Free → How It Works

▶ See It In Action

▶ Watch on YouTube

Try Free

1 grade, no signup

3/week

Free with account

PSA

BGS · CGC aligned

Features

Built for Serious Collectors

Every tool you need to evaluate centering before spending $20+ on a grading submission.

🎯

Pixel-Precision Centering

Measure L/R and T/B ratios with sub-pixel accuracy using our 4-corner alignment system. No more guessing.

📸

Works with Any Photo

Perspective correction handles tilted, rotated, and warped images. You don't need a perfect scan.

🏆

PSA-Aligned Grading

Centering scores calibrated against PSA, BGS, and CGC thresholds. Understand your card's centering confidence before you commit to a submission.

🔍

Edge Detection

Sobel edge-detection overlay helps you see borders on full-art, dark, and holographic cards.

🔒

100% Private

All processing happens in your browser. Your card images never leave your device. Zero server uploads.

📊

Export Reports

Generate beautiful slab previews, centering reports, and HD exports to share or save for your records.

How It Works

Three Steps to Confidence

Grade-check any card in under 60 seconds.

Drop Your Card Photo

Upload any image — phone photo, scan, or screenshot. Our perspective engine handles the rest. Optional crop & rotate for quick cleanup.

Set the 4 Corners

Click the four corners of your card. The tool auto-corrects the perspective and generates a perfectly flat, analyzed output.

Get Your Centering Grade

Instantly see L/R and T/B ratios, a centering grade (Pristine → Poor), and a slab-ready preview. Export HD reports with one click.

Pricing

Simple, Affordable Pricing

Try it free — 3 card grades per week. Upgrade for unlimited access.

EARLY ACCESS — PRO

$4.99/mo

Unlimited grading for every card in your collection. Cancel anytime.

Unlimited centering analyses
HD slab preview exports
Front & back centering grades
Detailed centering reports
Edge detection overlay
Perspective correction engine
Card saving & history
All future features included

Or try 1 free grade — no account required.

🚀 Early Access — GradeReady is actively being built and improved. You may encounter bugs or incomplete features. Your feedback is incredibly valuable and directly shapes what we build next. Early access pricing may change — subscribers will be notified 30 days in advance.