KeyLock is a free Chrome add-on developed by hongfanpen. This add-on allows users to easily call local applications and communicate with them. It is specifically designed to work with Guangfan Technology's ukey authentication system, enabling seamless integration for transaction applications, reviews, and payment verifications.

With KeyLock, users can conveniently access and interact with local applications directly from their Chrome browser. The add-on streamlines the process of utilizing the ukey authentication system, making it more efficient for transaction requests, reviews, and payment verifications.

KeyLock is a valuable tool for users who rely on Guangfan Technology's ukey authentication system. It simplifies the integration process and enhances the overall user experience by providing seamless communication between the browser and local applications.