TLS / SSL checker

Inspect certificate subject, issuer, SANs, expiry, and basic TLS details for any host:port. Powered by the /tools/tls-check/api/tls JSON endpoint.

TLS inspection

Enter a hostname and port to inspect the TLS certificate and basic connection details. Useful for checking expiries, SAN coverage, and issuer chains.

API base: /tools/tls-check/api/tls
Example: /tools/tls-check/api/tls?host=example.com&port=443

JSON response from /tools/tls-check/api/tls

Idle

{ "hint": "Run a check to see the raw JSON output from /tools/tls-check/api/tls." }

Last request: none.