Chatwork Crypto is a free Chrome extension that enables users to engage in secure communication through public key cryptography within the Chatwork platform. This tool allows for the sending of public keys, which can be utilized to encrypt messages, ensuring that conversations remain confidential and protected from unauthorized access.

The extension features a user-friendly interface, where users can easily send their public keys by clicking on the key icon located above the text area. Once a public key is received, it can be employed to send secret messages, enhancing the security of communications on Chatwork. This makes Chatwork Crypto a valuable tool for those seeking to maintain privacy in their online discussions.