How to Verify a Website’s SSL Certificate (Browser, OpenSSL, and Online Checkers)

• 01 July 2026
• by: Tobias Reinhardt
• in: Security
• Tags: openssl check certificate, SSL, ssl checker, verify website ssl certificate
• note: no comments

Learn how to verify a website’s SSL certificate in the browser, with OpenSSL, and via online checkers, plus how to spot expired, self-signed, and mismatched certs.

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