Online SSL Certificate Checker
Audit HTTPS parameters, verify expiration schedules, look up root CA authorities, and validate cryptographic cipher key protocols.
Why Verify Your SSL Certificate Status?
A valid SSL (Secure Sockets Layer) certificate is a baseline requirement for modern websites. It encrypts user sessions, protects credit cards, and is a direct search engine ranking signal. If an SSL certificate expires, browsers will block users with scary warnings.
This free SSL checker scans target hosts to extract certificate details, helping you verify that your domain stays secure.
Key Benefits & Features
Expiration Countdown
Shows precise days remaining until renewal is required.
CA Issuer Check
Identifies the root Certificate Authority (e.g. Let's Encrypt).
Cipher Encryption Check
Lists active TLS version encryptions.
How to Use the SSL Certificate Checker Step-by-Step
This utility runs entirely inside your browser using client-side JavaScript. We prioritize your security: none of your inputted text is logged or stored.
- 1
Enter the domain host URL to check.
- 2
Click the "Audit SSL" button.
- 3
Verify active status and key encryption formats.
Practical Examples
google.com
Frequently Asked Questions (FAQ)
What is a Let's Encrypt certificate?▼
A free, automated, and open certificate authority that provides domain-validation SSL tags.
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