HiCC Magic Ball is a browser extension developed by Shanghai Hi-Agile Information Technology Co., Ltd., designed to measure code coverage during front-end testing. This tool aids testers and developers by providing real-time visibility into the code coverage of tested pages, highlighting untested code lines for immediate retesting. It serves as an essential resource for improving testing accuracy and efficiency.

The extension supports popular front-end frameworks such as Vue, Angular, and React, making it versatile for various development environments. HiCC Magic Ball also maintains a history of coverage records, allowing users to track the highest coverage rates achieved on a given day and over recent periods. The community edition is available for free use, with options for a corporate version, enhancing its accessibility for individual and enterprise users alike.