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Easily check the expiration date of any website's SSL certificate with our SSL Certificate Expiry Checker. Simply enter a domain name or URL, and instantly get details on the certificate's validity period, expiration date, and issuer.
An SSL (Secure Sockets Layer) certificate is a digital credential that authenticates a website's identity and enables an encrypted connection. Think of it as a Digital Passport: it proves to the browser that your server is who it claims to be and ensures that data (like passwords or credit cards) cannot be intercepted by hackers.
As of March 15, 2026, the maximum validity for new SSL certificates has been reduced to 200 days. This is part of a global industry shift toward shorter lifespans to reduce the risk of compromised keys being used for long periods.
Yes, significantly. Google considers a valid SSL certificate a prerequisite for ranking. If your certificate expires, your site loses its "Secure" status, and search engines may stop crawling your pages until the issue is resolved.
TLS (Transport Layer Security) is the modern, more secure successor to SSL. However, most people still use the term "SSL" to refer to both. Today, when you install an "SSL certificate," you are actually using TLS protocols.
Yes, and you should. Most Certificate Authorities (CAs) allow you to renew up to 30 days early. Any remaining time on your old certificate is usually added to the new one.
As of March 15, 2027, the maximum validity for new SSL certificates will be reduced to 100 days.
As of March 15, 2029, the maximum validity for new SSL certificates will be reduced to 47 days.
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