SSL Certificate Checker
Check SSL/TLS certificates for any website. Verify validity, expiration dates, issuer, and security configuration.
What We Check
Validity
Is the certificate valid?
Expiration
When does it expire?
Issuer
Who issued the certificate?
Encryption
Encryption strength
Chain
Certificate chain status
Domain Match
Does it match your domain?
Vulnerabilities
Security issues
Details
Full certificate info
Frequently Asked Questions
What is an SSL certificate?▼
SSL (Secure Sockets Layer) certificates encrypt data between your browser and a website, ensuring secure communication and showing the padlock icon in browsers.
Why is SSL important for SEO?▼
Google uses HTTPS as a ranking factor. Websites with valid SSL certificates rank higher and appear more trustworthy to users.
What happens if my SSL expires?▼
Browsers will show security warnings, users may leave your site, and your search rankings can drop. Always renew before expiration.
Is this tool free?▼
Yes, our SSL checker is 100% free with unlimited checks.