51 天眼 is a Chrome add-on developed by Butten that aims to save job seekers time by providing them with quick access to company information on the 51job platform. This free tool adds a Tianyancha button to the job listings on 51job, allowing users to easily verify the information of companies they are interested in.

With 51 天眼, users no longer need to manually search for the business information of recruiting companies on 51job. This add-on simplifies the process by integrating the Tianyancha database directly into the job listings. By clicking on the Tianyancha button, users can instantly view important details such as the company's registration information, financial status, and legal history.

Overall, 51 天眼 is a valuable tool for job seekers on the 51job platform, helping them save time and make informed decisions about potential employers. With its seamless integration and easy-to-use interface, this Chrome add-on provides a convenient solution for verifying company information without the need for extensive manual research.