SSL Checker: Validate Your SSL Certificate and Ensure Secure Website Connections

An SSL certificate is essential for encrypting data between your website and its visitors. It protects sensitive information, builds trust, and is now a critical factor in both SEO rankings and browser security standards. If your certificate is misconfigured, expired, or missing, your visitors will see warnings that can damage your reputation.

Our SSL Checker helps you easily verify your website’s SSL certificate, including its validity, issuer, expiration date, and whether it's properly installed.

With one simple check, you’ll know if your site’s HTTPS is secure — or if it needs attention.

What Is an SSL Certificate?

SSL (Secure Sockets Layer) — now often referred to as TLS (Transport Layer Security) — is a protocol that encrypts communication between a web server and a browser. When an SSL certificate is properly installed, visitors see a padlock icon in their browser’s address bar, and your URL begins with https:// instead of http://.

This not only protects users but is also a ranking factor in search engines like Google.

Why Use an SSL Checker?

SSL certificates expire regularly, and configuration issues are more common than many website owners realize. Whether you manage a single domain or multiple subdomains, you need to ensure your certificates are valid and trusted.

Our SSL Checker helps you:

• Confirm that your SSL certificate is installed correctly
• Check the certificate’s expiration date and avoid unexpected downtime

Key Features of the SSL Checker

• Instant Certificate Validation: Just enter your domain and get results in seconds.
• Expiry Date Monitoring: See when your certificate will expire and plan renewals early.
• Detailed Issuer Info: View the CA name, serial number, signature algorithm, and more.
• Domain Match Check: Ensure your certificate is covering the exact domain and subdomain.
• Chain of Trust: Inspect intermediate certificates and full trust paths.
• Public Key Info: Useful for security audits and compliance checks.

Common SSL Issues You Can Detect

Using the SSL Checker, you can easily detect:

• Expired SSL certificates
• Mismatched domain names (e.g., www vs. non-www)
• Missing intermediate certificates
• Self-signed certificates not trusted by browsers
• Incorrect server installations

These issues can lead to browser warnings like “Your connection is not private,” which discourage users from visiting your site.

Who Should Use This SSL Checker?

• Website owners managing their own SSL
• Hosting customers verifying installation status
• IT teams checking corporate website security
• Agencies overseeing multiple client domains
• Developers setting up staging or test environments

When to Run an SSL Check

• After installing a new SSL certificate
• Before renewing or switching certificate providers
• When moving to a new hosting provider or server
• Periodically as part of website health checks
• Whenever a visitor reports a security warning

You can run this check as often as needed — it’s free and requires no login or account.

How to Use the SSL Checker

1. Enter your website URL (with or without https://)
2. Click “Check SSL”
3. Review the certificate details and alerts
4. Fix any detected issues before they impact your visitors

This tool works for all public-facing domains and helps you avoid lapses in security coverage.