Frequently Asked Questions

Any standard 63×88mm trading card — Pokémon TCG (modern and vintage), Magic: The Gathering, Yu-Gi-Oh!, sports cards, One Piece, Lorcana, and more. If it's a standard-size card, it works.

No — and it's not trying to. This is a pre-check tool. Use it to decide which cards in your collection are worth the cost of sending to PSA / BGS / CGC / TAG. The actual grade is decided by their graders.

Within ~1mm when you align the boxes by hand, and our trained ML model now lands auto-detection close enough that most cards don't need any nudging in either mode. That's the same precision PSA centering tolerances are scored at, so it's sufficient to tell a 50/50 from a 60/40 from a 70/30 reliably.

Yes. Bulk upload is built in — drop a folder of card photos and we'll measure each one in sequence and let you save the keepers to your collection. Built for resellers and store owners pre-grading inventory.

Only if you click Save to add the card to your collection. Otherwise images are processed in-memory and discarded after the analysis returns.

2 free analyses on signup. After that it's a flat subscription — weekly or semi-annual — for unlimited measurements across web and mobile. No per-card credits, no mode-specific pricing. Cancel anytime.

You've got options. Midpoint - Card Centering Tool runs entirely in your browser on desktop or mobile — no install, no plug-ins. Or download the free native app for iPhone (App Store) and Android (Google Play) for a camera-first experience. Your account and saved cards sync across web, iOS, and Android.

Centering ratio (L/R and T/B), exact mm offsets per edge, predicted grades from PSA / BGS / CGC / TAG, a full surface analysis covering edges, corners, print alignment, and holo/foil condition, and the auto-detected card name. Every analysis runs the same pipeline — there is no separate AI/Basic mode anymore.

A card centering tool helps collectors and sellers measure the border alignment on trading cards to assess how centered the card design is. Proper centering is important for card grading, as grading services like PSA and BGS evaluate centering as part of a card's overall grade. Tools can be physical templates, rulers, or digital apps like Midpoint, which analyze images to provide centering measurements and ratios.

A card centering checker provides measurements or visual guides to assess whether a card's printed image is evenly positioned within its borders. This helps collectors estimate the potential grade a card might receive. Tools like Midpoint automate this process using digital image analysis for fast and accurate results.

Card grading apps assist users in pre-screening their trading cards before submitting them to professional grading services. These apps can analyze centering, check corners, and sometimes estimate overall grades. Midpoint focuses specifically on centering analysis, giving collectors actionable data for grading decisions.

Sports card centering tools help collectors evaluate how evenly the printed image is positioned within the card's borders. This is important for grading, as poor centering can lower a card's value. Tools like Midpoint provide automated, accurate centering measurements for sports cards using uploaded images.

PSA centering tools help collectors assess whether their cards meet the centering requirements for a given PSA grade. These tools provide centering ratios or percentages, allowing users to pre-screen cards before submission. Midpoint can calculate centering based on PSA's grading guidelines.

Card centering calculators take input measurements of a card's borders and output a centering ratio or percentage. Digital calculators like Midpoint automate this process by analyzing a photo of the card, making it easier and more accurate than manual measurement.

Edge centering tools help collectors evaluate whether the card's artwork is evenly positioned within the card's physical borders. This is crucial for grading, as uneven centering can reduce a card's grade. Tools like Midpoint analyze these distances to provide centering ratios.

Card centering tools work by detecting the borders of a card and comparing the size of the margins on each side. Digital tools like Midpoint allow users to upload a card image, then automatically analyze the image to provide left-right and top-bottom centering ratios. This helps predict how a grading service might evaluate the card's centering.

The best card centering tool offers precise results and a user-friendly experience. Digital apps like Midpoint stand out because they automate the measurement process using image analysis, saving time and reducing human error. Features to look for include support for different card types, clear centering ratios, and compatibility with grading standards.

Accuracy depends on image quality and correct alignment, but digital tools like Midpoint use advanced image analysis to minimize human error. For best results, ensure the card is photographed in good lighting and is not tilted or skewed. These tools are generally more precise than manual methods.

PSA evaluates centering using both visual inspection and precise measurement tools to ensure accuracy in grading. Collectors can use centering tools like Midpoint to pre-screen cards before submission, aligning with PSA's standards for centering.

Most centering tools, including Midpoint, support various trading card types such as sports and Pokémon cards. Accuracy depends on clear, unobstructed images and standard card layouts. Some irregular or heavily designed cards may be more challenging to analyze automatically.

• Physical tools: Place the card in a template or measure borders with a ruler.
• Digital tools: Upload a card image to the app, which analyzes and displays centering ratios.
• Review the results to determine if the card meets grading standards for centering.
• Midpoint lets you upload an image and instantly get centering feedback.

• Measure the left and right (or top and bottom) borders of the card.
• Divide the smaller width by the larger width.
• Multiply by 100 to get the centering percentage.
• Digital tools like Midpoint automate this process from a photo.

Many online centering tools, including Midpoint, are accessible via mobile browsers, allowing you to upload card photos directly from your smartphone. This makes it convenient to assess centering anywhere, without needing special equipment.

• Take a clear, straight photo of your card.
• Visit an online centering tool like Midpoint.
• Upload the image to the platform.
• Review the automated centering analysis and results.

Pokémon card collectors often check centering by measuring the borders with a ruler or template, or by uploading a photo to a digital tool like Midpoint. The tool calculates the centering ratio, helping predict if the card meets grading standards for centering.

Centering is a key factor in trading card grading, and using a centering tool helps collectors estimate whether a card will meet centering criteria for higher grades. Tools like Midpoint provide fast, accurate centering measurements so you can decide which cards to send for grading.

While centering tools like Midpoint provide precise centering ratios, professional grading services also evaluate corners, edges, and surface condition. Use centering tools for the centering aspect, but remember that a full grade depends on additional card attributes.

Centering tools are designed to work with standard-sized trading cards such as baseball, basketball, Pokémon, Magic: The Gathering, and other collectibles. Ensure the card is clearly visible in the image for best results. Midpoint supports a wide range of card types.

Online card centering tools are web-based platforms where you can upload images of your trading cards for automated centering analysis. Midpoint is one such tool, providing quick and accurate centering feedback to help collectors make grading decisions.

While some basic centering tools or templates might be free, most accurate digital centering tools charge a fee for their services. Midpoint operates on a paid basis, so you may need to subscribe or pay per use to access advanced analysis and features.