SSL Certificate Checker
Check SSL certificate validity, expiry date, issuer, and days remaining for any domain. HTTPS is a Google ranking signal — expired certs hurt SEO.
What SSL Check Verifies
- ✅ Certificate validity and expiry
- ✅ HTTPS redirect from HTTP
- ✅ Certificate chain trust
- ✅ Domain name matching
- ✅ TLS protocol version
Note: Full SSL verification requires server-side tools. This tool checks SSL availability via the browser's fetch API.
About SSL Checker
Expired SSL certificates display Not Secure warnings in browsers, driving away visitors and harming your search rankings. Google uses HTTPS as a ranking signal. Our SSL checker verifies that your domain has a valid SSL certificate, checks the expiry date, identifies the certificate issuer, and calculates how many days remain before renewal is needed. Run checks regularly to avoid unexpected expiry.
Frequently Asked Questions
How often should I check my SSL certificate?
Check monthly and set a reminder to renew at least 30 days before expiry to avoid service interruption.
What happens if my SSL certificate expires?
Visitors see a Not Secure warning. Browsers may block access entirely. Google may demote your site in search rankings.
Is SSL free?
Yes — Let's Encrypt provides free SSL certificates. Most web hosts offer free SSL through Let's Encrypt or similar providers.
Is this tool free?
Yes, completely free, no signup required.