Developer ToolsDebugging ToolsFree Tool
SSL Certificate Checker
Get a pointer to a real SSL/TLS certificate checker — this page cannot inspect a site's certificate details from your browser.
How to Use SSL Certificate Checker
- 1Enter the domain (optional — it isn't checked here)
- 2Click Process
- 3Follow the link to ssllabs.com/ssltest for a real, detailed SSL report
Frequently Asked Questions
No — clicking Process shows a fixed message recommending a real tool; it never connects to any server to inspect a certificate.
While your own browser validates certificates when you visit a site, JavaScript doesn't have an API to fetch and inspect the full certificate chain/details of an arbitrary third-party host on demand.
ssllabs.com/ssltest performs a genuinely thorough analysis — certificate chain, protocol support, cipher strength, and known vulnerabilities.
No — since no real check happens, nothing you enter is transmitted.
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