🔒 SSL Checker
Free SSL Certificate Checker
Check any website's SSL/TLS certificate instantly. Verify expiration date, issuer, cipher strength, and supported protocols.
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Expiry Check
See when your certificate expires
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Cipher Strength
Verify encryption strength
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SSL Grade
Get an A+ through F rating
Why Check Your SSL Certificate?
An expired or misconfigured SSL certificate can make your website inaccessible and damage your reputation. Regular SSL checks help you:
- Prevent outages — catch expiring certificates before they cause downtime
- Maintain security — ensure you're using strong, modern ciphers
- Build trust — visitors see the padlock icon and know your site is secure
- Pass compliance — meet PCI-DSS, HIPAA, and other security requirements
What We Check
- Certificate validity period (not before / not after)
- Issuer and certificate chain
- Supported TLS protocols (1.0, 1.1, 1.2, 1.3)
- Cipher suite strength and security
- Overall SSL/TLS grade (A+ through F)
Frequently Asked Questions
Is this SSL checker free?
Yes, completely free. No registration required.
How often should I check my SSL certificate?
At least monthly. Set a reminder 30 days before expiry to renew on time.
What's a good SSL grade?
A or A+ is excellent. B is acceptable. C or below means you should improve your configuration.