SSL Certificate Expiration Checker

Enter a domain name to check the expiration date of its SSL certificate.

Why Checking Your SSL Certificate is Crucial

An expired SSL certificate is one of the most common reasons for website downtime and browser security warnings like "Your connection is not private." These warnings can erode visitor trust and lead to lost customers. Regularly checking your certificate's expiration date is an essential maintenance task for ensuring your website's continuity and security.

Avoid Security Warnings

Prevent browsers from displaying alarming security warnings that can scare visitors away from your website.

Maintain User Trust

A consistently valid HTTPS padlock shows professionalism and a commitment to protecting user data, which is vital for building trust.

Plan Renewals in Advance

Knowing your expiration date allows you to renew your SSL certificate well in advance, preventing any service interruptions or downtime.

Protect Your SEO Ranking

A secure and constantly available website is a positive signal for Google. Letting your SSL expire can negatively impact your search rankings.


How Our Expiration Checker Works

Simply enter your domain name, and our tool will connect to your server to retrieve and analyze the installed SSL certificate. In seconds, you will get a clear report that includes:

  • The Certificate Issuer (Certificate Authority)
  • The Certificate's Validity Period (Issue & Expiry Dates)
  • A Countdown of Days Remaining Until Expiration
  • The Full Certificate Chain and Trust Status

Use this information to diagnose any potential issues, plan your renewals, and ensure your website's security is always in perfect condition.

Frequently Asked Questions

Checking your SSL expiration date is crucial to prevent your website from displaying security warnings to visitors. An expired certificate breaks the trust between your site and your users, and can lead to lost traffic and sales. Regular checks help you plan renewals in advance and ensure uninterrupted security.

When an SSL certificate expires, most web browsers will show a prominent security warning page to users trying to visit your site, such as "Your connection is not private." This blocks them from easily accessing your content and severely damages your website's credibility. It also means the data exchanged is no longer encrypted.

It is best practice to renew your SSL certificate at least 1-2 weeks before its expiration date. This gives you plenty of time to resolve any potential issues during the verification and installation process without risking any period of an insecure site. For free 90-day certificates, you can typically start the renewal process up to 30 days before expiry.

Yes, our SSL Certificate Expiration Checker can check the status of any publicly accessible website that has an SSL certificate installed. Simply enter the domain name, and the tool will retrieve the publicly available certificate information from the server.