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SSL Shopper SSL Checker vs DigiCert SSL Installation Checker: catalog facts
SSL Shopper SSL Checker	DigiCert SSL Installation Checker
Free Free to use; the site also sells certificates.	Free Free to use; DigiCert sells certificates.
Web	Web
Quick check of chain, hostname match and expiry Optional expiry reminders	Diagnoses installation and chain problems Related CSR and S/MIME tools on the same site
Public hostnames only Results may be cached for up to a day	Focused on installation rather than a full protocol audit Surrounded by a certificate vendor's sales pages
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.