Web utility

SSL Check'r

Check a public website’s SSL certificate online by entering a domain or full URL. Review the certificate status, issued-to and issued-by information, expiration date, days remaining, valid-from date, and domain match, then open the technical details to inspect the common name, serial number, signature algorithm, public key, fingerprints, covered domains, and PEM certificate content. Copy the certificate details or download a public SSL certificate copy for reference without installing, changing, or repairing anything on the website.

Certificate Lookup

You can paste a full URL, with or without https://.

Ready to check a public website certificate.

This viewer checks a public SSL certificate for records and verification. Downloading a certificate only saves a public copy for viewing — it does not install, change, or repair anything on a website. This result confirms the SSL certificate status only. It does not verify the safety, legitimacy, or trustworthiness of the website or business.

Paste a public website above to view its certificate details.

Ready to check

Issued to

Issued by

Expires

Days remaining

Valid from

Domain match

Full Certificate Details

Technical certificate information, fingerprints, domains, and PEM content.

View details

Common name

Serial number

Signature algorithm

Public key

SHA-256 fingerprint

SHA-1 fingerprint

Covered domains

Certificate PEM

Enter a Website

Paste a public domain or full website URL, with or without https://, to begin the certificate lookup.

Check the Certificate

Run the lookup to retrieve the public certificate and verify its current status, expiration, issuer, and domain match.

Review the Details

Inspect dates, covered domains, common name, serial number, signature algorithm, public key, and certificate fingerprints.

Copy or Download

Copy the complete certificate information or download the public certificate file for records and technical reference.