Instant SSL Domain Certificate Verification & Security Analysis
Free online SSL certificate checker that verifies certificate status, expiration, and security configuration. Instantly analyze SSL/TLS protocols, encryption strength, browser compatibility, and certificate chain with a comprehensive health score and security recommendations.
SSL Certificate Checker
Free online SSL certificate checker tool
Check SSL certificate status, expiration, and security configuration
Press Enter to check quickly
Checking SSL certificate...
Checking SSL certificate...
SSL Health Score
0
/100
Certificate Status
Expiration
Security Level
Certificate Information
Security Analysis
Certificate Chain
Browser Compatibility
Key Features
Real-time Validation
Instant SSL certificate verification and status check
Comprehensive Analysis
Detailed security assessment and health score
Protocol Support
Complete SSL/TLS protocol compatibility check
Browser Compatibility
Cross-browser certificate validation
Chain Verification
Full certificate chain validation
Security Alerts
Clear warnings about security issues
Frequently Asked Questions
An SSL certificate is a digital certificate that authenticates a website's identity and enables an encrypted connection.
Regular SSL certificate checks help prevent security vulnerabilities and ensure your website remains secure and trusted.
It's recommended to check your SSL certificate monthly and set up alerts for upcoming expiration dates.
The SSL health score is a comprehensive rating of your certificate's security status, including validity, encryption strength, and configuration.
Our tool can verify all types of SSL certificates, including Domain Validated (DV), Organization Validated (OV), Extended Validation (EV), and Wildcard certificates.
Common fixes include renewing expired certificates, updating certificate chains, configuring proper installations, and ensuring proper domain validation.
Our SSL certificate checker verifies compatibility with all major browsers including Chrome, Firefox, Safari, Edge, and Opera, across different versions.
A strong SSL certificate uses modern encryption (SHA-256 or better), has a valid certificate chain, supports TLS 1.3, and follows security best practices.
Yes, you can check multiple domains sequentially using our SSL certificate checker tool.
Yes, this SSL certificate checker is completely free to use and provides comprehensive certificate analysis.