Free SSL Certificate Checker
Instantly check the status of your website's SSL/TLS certificate. Find out who issued it, what protocols are supported, and exactly when it expires.
Test Your Domain
Enter your website URL below to run a passive check.
Certificate Status: Valid
Domain: example.com
Issuer: Let's Encrypt / R3
Valid Until:
Checking manually is great today. But what about in 90 days?
An expired SSL certificate takes your website offline and throws a massive "Your Connection is Not Private" error to your customers. Set it and forget it with SecScout. We monitor your domain every week and send you proactive alerts 14, 7, and 3 days before your certificate expires.
Automate Monitoring for $10/moWhy use an SSL Certificate Checker?
Your SSL certificate secures the connection between your users and your website. If it expires, modern browsers will block access entirely. Our free tool allows you to verify that your certificate is properly installed and valid.
How to fix an expired SSL certificate
If your check returns an expired status, you'll need to renew it immediately. Most modern hosts provide automated Let's Encrypt renewals, but these can fail (which is why monitoring is crucial). Check your hosting control panel or Cloudflare settings to force a renewal.