Card Centering Calculator

Card Centering Calculator is a precise tool for trading card collectors to measure border widths and calculate centering percentages in seconds. Use your camera or import a photo, then adjust on-screen edge guides for quick, accurate results. Get instant front and back centering with optional presets that align to common grading standards like PSA, BGS, and CGC. Save annotated images and share clean reports to help decide which cards to grade. Ideal for sports cards, Pokemon, MTG, and more, this utility streamlines pre-grading checks with a fast, easy workflow. Keywords: card grading tool, PSA centering calculator, trading card utility, centering measurement.