ScaleWhite Tools

SSL Certificate Checker

Check SSL/TLS certificate details (expiration, issuer, SANs, etc.) for any domain.

What is SSL Certificate Checker?

This tool checks SSL/TLS certificate details for any website. It retrieves certificate expiration dates, issuer information, and subject alternative names (SANs) from Certificate Transparency logs. Useful for verifying SSL configurations and monitoring certificate renewal schedules.

How to Use

  1. Enter the domain name or URL you want to check (e.g., example.com)
  2. Click the "Check" button or press Enter
  3. View the certificate summary and detailed information

Examples

  • Check SSL certificate expiration dates
  • Verify certificate issuer (Let's Encrypt, DigiCert, etc.)
  • List SANs (subject alternative names) for wildcard certificates
  • Test HTTPS connectivity