SSL & Web Headers100% In-BrowserTLS Protocols
TLS Configuration Checker
Evaluate supported TLS versions (TLS 1.2, TLS 1.3), cipher suites, and obsolete protocol risks.
Real-time processing·No server uploads·Zero telemetry
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How to Use TLS Configuration Checker
01
Enter domain name to analyze.
02
Inspect supported protocol matrix.
03
Verify that legacy TLS 1.0 and 1.1 are disabled.
Privacy Guarantee
TLS Configuration Checker runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Why is TLS 1.3 recommended?
TLS 1.3 speeds up handshake connections and removes vulnerable, legacy cryptographic ciphers.
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