SSL Certificate Checker
Check SSL certificate status, expiry date, and security configuration for any website. Our free SSL checker validates HTTPS certificates, analyzes certificate chains, and provides detailed security information to ensure your website's SSL implementation is secure and properly configured.
How to Use SSL Checker
Enter Website URL
Enter the domain or full URL you want to check (e.g., example.com)
Run SSL Check
Our tool will analyze the SSL certificate and security configuration
Review Results
Get detailed certificate information and security recommendations
Why SSL Certificates Matter
🔒 Data Encryption
SSL certificates encrypt data transmitted between users and your website, protecting sensitive information like passwords, credit card numbers, and personal data from interceptors.
🏆 Trust & Credibility
Websites with valid SSL certificates display a padlock icon and "https://" in the browser, showing visitors that the site is secure and trustworthy, which increases user confidence.
📈 SEO Benefits
Google and other search engines prioritize HTTPS websites in search results. Having a valid SSL certificate is a ranking factor that can improve your website's search engine visibility.
✅ Compliance Requirements
Many industries and regulations (like PCI DSS for payment processing) require SSL certificates. They're essential for e-commerce sites and any website handling sensitive data.
SSL Certificate Information
Certificate Validity
Checks if the certificate is currently valid and properly configured
Expiry Date
Shows when the certificate expires and if renewal is needed
Certificate Authority
Identifies who issued the certificate and their trustworthiness
Domain Validation
Verifies that the certificate matches the domain being checked
Certificate Chain
Analyzes the complete certificate chain for proper configuration
Security Grade
Provides an overall security rating based on configuration
Common SSL Issues & Solutions
Certificate Expired
Your SSL certificate has passed its expiry date. Contact your certificate provider or hosting company to renew the certificate immediately to avoid security warnings.
Domain Mismatch
The certificate doesn't match the domain name. Ensure the certificate covers all domains/subdomains your site uses, or get a wildcard certificate.
Incomplete Certificate Chain
The intermediate certificates are missing. Install the complete certificate chain including all intermediate certificates from your CA.
Mixed Content
Your HTTPS page loads HTTP resources. Update all internal links, images, scripts, and stylesheets to use HTTPS URLs to avoid security warnings.
SSL Best Practices
Certificate Management
- • Monitor certificate expiry dates and set renewal reminders
- • Use strong encryption algorithms (RSA 2048-bit or ECC 256-bit)
- • Implement proper certificate chain configuration
- • Consider wildcard certificates for multiple subdomains
Security Configuration
- • Enable HTTP Strict Transport Security (HSTS)
- • Disable outdated SSL/TLS protocols (SSLv3, TLS 1.0, 1.1)
- • Configure strong cipher suites
- • Implement Certificate Transparency logging