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SSL Certificate Checker

Check a public website certificate.

CONFIGURE

Your input

Public website checks

Public HTTPS website

Checks certificate issuer, validity dates, expiry, hostname and server trust. Public domain names on port 443 only. Your server needs cURL/OpenSSL and a current CA trust store.

OUTPUT

Your result

Ready when you are

Configure your inputs, then generate a clear result here.

How to use SSL Certificate Checker

Enter a public HTTPS domain. Run the check to inspect issuer, validity dates, days remaining, subject alternative names and trust verification. Trust depends on this server CA store. One resolved endpoint is checked without following redirects; review all deployment endpoints separately.

Is this tool free?

You can complete three tools as a guest across this collection. Continue with Google for further use. Failed operations do not consume a successful use.

Where is my content processed?

Pasted sitemap XML is checked in your browser. Remote sitemap and certificate checks inspect public HTTPS websites from our server. Redirects and private network destinations are blocked.

What does the result mean?

The certificate report distinguishes certificate dates from trust and hostname verification. This is a point-in-time check of one endpoint, not a complete security audit.

Can I use SSL Certificate Checker without signing up?

Yes. You can complete three successful operations across this tools collection as a guest. Continue with Google for further use. Failed operations do not reduce the successful-use allowance.

Does SSL Certificate Checker store my inputs in analytics?

Usage analytics record the tool, account or browser identity, status and time, without storing input text, passwords, tokens or file contents. Remote checks inspect a public HTTPS endpoint from our server. Pasted XML stays in your browser.