ZeroSSL SSL 
ZeroSSL, a free SSL certification service that provides user-friendly, automated and open services, supports multiple domain names and pan-domain names to facilitate website encryption and data protection with efficient, secure and convenient services.

AboutZeroSSL
As a new certification authority, the brand value of ZeroSSL is mainly reflected in the provision of SSL/TLS certificate services which are easy to obtain and free. Through automation and user-friendly interface, it simplifies the process of certificate application and management, and enables website owners to quickly enable encrypted connections for their websites to protect the security of user data. The advantages of ZeroSSL are its multi-domain name support, pan-domain name certificates and no rate limit, which are especially suitable for enterprises with multiple online assets. In addition, it also provides SSL monitoring and automated renewal functions to ensure the continuous security of the website. Although the certificate of ZeroSSL is valid for 90 days, it can be renewed automatically, reducing the administrative burden. As a free service, ZeroSSL provides the same encryption strength as a paid certificate and is suitable for most websites, including non-bank and e-commerce sites. Its brand value lies in helping website owners improve website security and user trust without increasing costs, and promote the popularity of Internet security.
Why choose ZeroSSL
Free service
ZeroSSL provides free SSL/TLS certificates, which lowers the threshold for website owners to protect user data and makes website encryption more economical.
Automated process
ZeroSSL's automated certificate application and management process simplifies the traditional and complex certificate deployment steps, making it easy for users to operate even if they have a non-technical background.
Multi-domain name and pan-domain name support
ZeroSSL allows users to manage multiple domain names and subdomains under a single certificate, providing convenience for companies with multiple online assets.
User-friendly interface
ZeroSSL provides an intuitive user interface that makes the certificate application and management process simple and easy to understand without complex technical knowledge.
SSL monitoring and automated renewal
ZeroSSL provides SSL certificate monitoring service and automatic renewal function through REST API to ensure the continuous security of the website.
High security
Although it is a free certificate, ZeroSSL follows industry standards and provides powerful encryption technology to ensure the security and integrity of the site's data transmission.