🔒SSL Certificate Checker
Verify SSL/TLS certificate validity, expiry date, issuer, and chain details for any domain. Ensure your HTTPS is properly configured.
🔒 Check SSL Certificate
Enter a domain above.
How It Works
We initiate an HTTPS connection to the target domain and inspect the SSL/TLS certificate presented by the server. We extract the subject, issuer, validity dates, serial number, and certificate chain information.
Frequently Asked Questions
What is an SSL certificate?
An SSL (Secure Sockets Layer) certificate is a digital certificate that authenticates a website's identity and enables encrypted HTTPS connections. It protects data transmitted between the user's browser and the web server.