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Hardenize vs GF.dev TLS Cipher Suite Scanner: catalog facts
Hardenize	GF.dev TLS Cipher Suite Scanner
Freemium The public report is free; continuous monitoring is a paid service.	Free Free to use in the browser.
Web	Web
Free public configuration report for any domain Continuous certificate and perimeter monitoring for organisations	Quick check of the negotiated TLS version and cipher suite Nothing to install
Monitoring features are aimed at organisations rather than individuals Little public detail about pricing	Reports the negotiated suite rather than a full list of supported ciphers Only checks servers reachable from the internet
Web application, Hosted service	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.