SSL Checker

ssl

Inspect SSL/TLS certificates for a hostname.

Part of Nexabit Network Utilities — free browser tools by Nexabit IT Solutions. Developer API available for automation.

What this tool does

Inspect SSL/TLS certificates for a hostname.

Best for

Inspecting live TLS certificates on public hostnames.

Common use cases

  • Validate chain, issuer, and SAN coverage before launch
  • Troubleshoot HTTPS errors reported by browsers
  • Certificate audits during security reviews

SSL Checker

Results

Tip: Results open in Visual mode (tables and cards). Use the JSON tab or Copy/Download to export raw output for tickets and runbooks.

Frequently Asked Questions

SSL Checker is a free online tool on Nexabit Network Utilities. Inspect SSL/TLS certificates for a hostname.

SSL Checker inspects the certificate right now for a single hostname. SSL Expiry Monitor is designed to track multiple certificates over time in your Workspace watchlist.

Yes. SSL Checker is free in your browser on Nexabit Network Utilities with no account required. The Developer API has separate free and paid plans for automation.

SSL Checker is part of Nexabit Network Utilities, built and maintained by Nexabit IT Solutions.

Related Tools

SSL Expiry Checker

ssl

Check certificate expiration dates and days remaining.

PEM Decoder

ssl

Decode PEM-encoded certificates and keys to inspect details.