SSL Checker

Free SSL / TLS certificate checker. Verify issuer, expiration, SAN domains, chain validity, and TLS protocol support. Powered by the Qualys SSL Labs API.

How to use the SSL Checker

  1. Open the SSL Checker — it loads instantly in your browser, with no sign-up or install.
  2. Enter your input by typing, pasting or uploading as the tool requires; results update automatically.
  3. Read the live results, fetched securely from a trusted third-party service.

Frequently asked questions

Is the SSL Checker free?

Yes. The SSL Checker on UtilitySuite is completely free, with no account, sign-up or payment required.

Do I need to create an account?

No. Every UtilitySuite tool and game works instantly with no login or registration.

Does my data stay private?

Your input is sent securely to the Qualys SSL Labs API only to fetch live results, and is not stored by UtilitySuite.

What does it check?

Issuer, expiration, SAN domains, chain validity and TLS protocol support, via the Qualys SSL Labs API.

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SSL / TLS Checker
Host:
Enter a host and click Check Certificate
Uses the Qualys SSL Labs API. First scan takes 60–120 seconds; cached results are instant.
Ready — enter a hostname utilitysuite.io
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