SSL/TLS Checker

Check a website's SSL certificate configuration and HTTP security headers. Get a security rating from A to F.

Privacy: The URL you enter is checked from our server. We do not log or store your queries.

How SSL Checking Works

  1. 1

    Enter the HTTPS URL of the website you want to check.

  2. 2

    Our server establishes a TLS connection to the target server.

  3. 3

    We analyze the SSL certificate and check HTTP security headers.

  4. 4

    A security grade is calculated based on findings.