SSL•Runs on Request

SSL Certificate Checker

Build a local OpenSSL inspection command; browser JavaScript cannot read a server’s certificate details.

Developer workbench

Configure. Run. Inspect.

Creates a local inspection command. Certificate details are not available through browser JavaScript.

⌘ / Ctrl + Enter to run

Input

10 input bytes

Enter a hostname or HTTPS URL.

Generate the OpenSSL inspection command.

Run it locally in a terminal that has OpenSSL installed.

Review the actual issuer, validity dates, and fingerprint from that command.

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