SSL Checker – Instantly Test Your SSL Certificate
Quickly verify the validity, configuration, and security of your website’s SSL with our fast, accurate SSL checker tool.
Understanding the Role of an SSL Checker
An SSL certificate checker evaluates the setup of a website’s certificate to confirm it’s valid, properly installed, and recognized by trusted authorities.
Why SSL Certificates Are Crucial
SSL encrypts data between browser and server. Using an SSL checker confirms encryption is active, preventing breaches and browser warnings.
Who Benefits Most
Website owners, developers, and IT teams use SSL checkers before launch or after renewal to avoid costly security errors.
Simple Steps to Run an SSL Check
- Input Your Domain Name: Enter your website address into the tool.
- Start the Scan: Click “Check SSL” to analyze your domain’s configuration.
- Review the Results: See issuer, expiration date, and security protocol details.
Core Features
- Real-time SSL certificate updates
- Expiration and issuer details
- Identifies security gaps
- Supports all domains and subdomains
- 100% web-based functionality
Why You Should Use an SSL Checker Regularly
- Prevent browser alerts
- Ensure correct installation
- Detect expired or self-signed certificates
- Build trust and SEO value
Data You Get from the SSL Check
- Validity and expiration
- Issuer and CA information
- SSL chain insights
- Protocol support levels
- Cipher and key strength
Common Problems Found
- Expired certificates
- Missing chain certificates
- Self-signed SSL issues
- Mixed content errors
- Weak encryption
Frequently Asked Questions
Yes, our SSL checker is completely free for unlimited scans.
Absolutely, it supports all certificate types.
Yes, it works with IDNs without limitations.
You should check it at least once a month or before major updates.
Yes, it will flag mixed HTTP/HTTPS content.
It works for public servers, but not for localhost.