Free SSL Certificate Checker

Check your website’s SSL certificate status instantly with our Free SSL Certificate Checker Tool. This online SSL testing tool verifies your domain’s SSL installation, validity, expiry date, and configuration issues — ensuring your visitors always enjoy a secure HTTPS connection. Detect expired, misconfigured, or invalid SSL certificates in seconds and fix issues before they impact your SEO ranking, trust, or browser security warnings.

SSL Certificate Checker

Enter any website URL to check its SSL certificate details

Enter website URL (e.g., google.com, https://example.com)

Frequently Asked Questions

Learn more about SSL certificates, validity checks, and how to keep your website secure and trusted.

An SSL Certificate Checker is a tool that verifies the validity, expiration, and configuration of your website’s SSL certificate to ensure a secure HTTPS connection.

Regular checks help prevent browser security warnings, expired certificate errors, and protect your site’s SEO ranking and visitor trust.

Simply enter your website’s URL and click “Check SSL Certificate.” The tool will instantly display details like issuer, validity period, and certificate chain status.

Yes, this tool is completely free to use. You can check certificate expiry dates and validity anytime without login or registration.

It provides certificate issuer, common name (domain), expiration date, validity period, and chain of trust information — helping you maintain a secure and valid SSL setup.

Yes. It supports wildcard (*.yourdomain.com) and multi-domain (SAN) SSL certificates, providing full coverage for complex domain setups.

You’ll need to renew or reinstall your SSL certificate through your hosting provider or SSL issuer to restore a secure HTTPS connection.

Yes, the checker also identifies the TLS/SSL protocol version used by your site to ensure compatibility with modern browsers and security standards.

We recommend checking your SSL certificate every month or setting up automatic monitoring to prevent unexpected expirations.

Absolutely! The SSL Certificate Checker is perfect for web developers, SEO agencies, and IT professionals managing multiple domains.