ArUco Marker Generator is a Chrome extension designed for creating and managing ArUco and ChArUco markers, ensuring precise millimeter sizing for various applications. It supports 17 OpenCV ArUco dictionaries and offers both single marker and grid modes for efficient batch processing. Users can export markers in multiple formats including SVG, PNG, and PDF, all of which come with an automatic 50mm scale ruler for accuracy. The extension also features a 3D preview option that allows users to manipulate the marker's pitch and roll, ensuring proper orientation before printing.

In addition to its generation capabilities, the tool includes verification features, allowing users to test marker detection by uploading images or using their camera. The user interface supports both Korean and English languages, with a dark mode option available. Other useful features include a side-panel ruler for real-world measurements, keyboard shortcuts for quick access to functions, and local processing to ensure privacy. Overall, ArUco Marker Generator is a robust tool for anyone needing to create and verify ArUco markers.