Certificate Status
Verify whether the SSL certificate is valid, expired, or close to expiration.
Certificate Details
View issuer, common name, serial number, signature algorithm and certificate version.
Security Information
Review fingerprints, Subject Alternative Names, and certificate validity period.
What is an SSL Certificate Checker?
An SSL Certificate Checker retrieves and analyzes the SSL/TLS certificate installed on a website. It displays information such as the issuer, common name, validity period, signature algorithm, Subject Alternative Names (SAN), fingerprints, and certificate version.
SSL certificates encrypt communication between browsers and web servers, protecting sensitive information and helping establish trust with visitors.
Why Use an SSL Certificate Checker?
- Verify SSL certificate validity.
- Check certificate expiration date.
- Identify the certificate issuer.
- View Subject Alternative Names (SAN).
- Validate SHA-1 and SHA-256 fingerprints.
- Monitor certificate health.
- Troubleshoot HTTPS and SSL issues.
