Cardbase Logo

Card Centering & Signature Analysis

Upload a card photo, auto-detects centering and signature position

Upload Card Image

Click to upload or drag & drop

Upload Card Images

Upload card front photo, auto-analyzes centering

Supported Grading Companies

PSA
BGS
CGC
TAG
ARS

Outer Centering

Analyze card border centering

Inner Centering

Analyze artwork area balance

Signature Detection

Detect signature position

CardBase Logo

A card management and trading platform built for collectors

All information presented on this website regarding the Pokémon Trading Card Game, including images and text, is the intellectual property of The Pokémon Company, Nintendo, Game Freak, Creatures, and/or Wizards of the Coast. CardBase is not produced, endorsed, supported by, or affiliated with any of the aforementioned companies.

All information presented on this website regarding the ONE PIECE Card Game, including card images and text, is the intellectual property of BANDAI CO., LTD., Shueisha Inc., and/or Eiichiro Oda. CardBase is not produced, endorsed, supported by, or affiliated with BANDAI, Shueisha, or Eiichiro Oda.

© Cardbase 2026. All Rights Reserved