SSL Decoder – An open-source alternative for the SSL Labs server test

In plain words

SSL Decoder is an open-source tool that analyzes SSL/TLS certificates and server configurations, offering similar functionality to SSL Labs' server test. Designed for developers and system administrators, it provides detailed information about SSL certificate validity, cipher suites, and protocol support. Being open-source, users can self-host the tool and modify it to suit their needs, making it a flexible alternative for those wanting control over their SSL testing infrastructure.

written from the facts on this page · September 2026

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