Free SSL Certificate Checker

Instantly check SSL certificate expiration dates, security details, and validity. Know when your certificates expire before they cause problems.

Enter a domain name or full URL to check its SSL certificate

100% Free • No registration required • Instant results

What This Tool Checks

Comprehensive SSL certificate analysis in seconds

Expiration Monitoring

Check how many days until your certificate expires and get warned about upcoming expirations.

Security Details

Verify certificate issuer, signature algorithm, key length, and certificate chain integrity.

Domain Validation

Check Subject Alternative Names (SAN) and verify the certificate matches your domain.

Certificate Information

View complete certificate details including serial number, fingerprint, and validity period.

Instant Results

Get complete SSL certificate analysis instantly without any registration or payment.

Chain Validation

Verify the complete certificate chain from your certificate to the root CA.

Why Check SSL Certificates?

SSL certificate issues can cause serious problems for your website and users

What Happens When SSL Expires

  • Browsers show scary security warnings to visitors
  • Customers lose trust and leave your site
  • Search engines may penalize your rankings
  • Payment processing may be blocked

Benefits of Regular Checks

  • Prevent unexpected certificate expirations
  • Maintain customer trust and confidence
  • Ensure compliance with security standards
  • Identify configuration issues early

Need Automated Monitoring?

StatusRay monitors your SSL certificates 24/7 and alerts you before they expire. Never let an expired certificate take down your site again.

No credit card required • Free forever plan • Setup in 2 minutes