Is the SSL certificate checker free?

Yes! Our SSL certificate checker is completely free with no registration required. Check unlimited SSL certificates and analyze website security at no cost.

Can I check multiple domains at once?

Absolutely! Use our bulk domain check feature to analyze SSL certificates for multiple websites simultaneously, perfect for managing multiple sites or domains.

What certificate information is analyzed?

We analyze certificate validity dates, issuer information, security details, TLS versions, encryption strength, technical specifications, and overall certificate health.

Why is SSL certificate checking important?

SSL certificate checking ensures website security, verifies encryption is working properly, monitors expiration dates, and helps maintain user trust and SEO rankings.

Does it show certificate expiration warnings?

Yes! The checker displays certificate validity timelines and expiration dates, helping you monitor when certificates need renewal to avoid security warnings or downtime.

Free Online SSL Certificate Checker (No Signup)

How to Use This Tool

Enter a domain — Type or paste a website URL (e.g., example.com) in the Single Domain Check field
Click "Check SSL" — The tool fetches and analyzes the site's SSL/TLS certificate in real time
Review the results — See certificate validity dates, issuer details, encryption type, and security status
Bulk check (optional) — Switch to Bulk Check to analyze multiple domains at once

Common Use Cases

How do I check if my SSL certificate is valid? Enter your domain to instantly see certificate status, expiration date, and any security warnings
How do I find out when my SSL certificate expires? The validity timeline shows exact issue and expiration dates so you can renew before downtime
How do I verify SSL certificates across multiple domains? Use the Bulk Check feature to scan up to multiple domains at once and compare their certificate status

🌐 Single Domain Check

Enter a website URL to analyze its SSL/TLS certificate. Include the protocol (https://) for best results.

Website URL:

Please enter a valid domain name (for example, example.com).

📋 Bulk Domain Check

Enter multiple domains (one per line) to check multiple SSL certificates at once.

🔏 Privacy Domains you check are sent to our server, which queries a public certificate lookup service to read each site's publicly visible SSL/TLS certificate. We do not connect to your own servers or store the domains you enter. Your recent-checks history is kept only in your browser (localStorage) and never leaves this device.

🔒 SSL Certificate Checker

🔍 Detailed Analysis

⚡ Real-time Checking

📱 Mobile Friendly

📊 Security Insights

How to Use This Tool

Common Use Cases

🌐 Single Domain Check

📋 Bulk Domain Check

📅 Certificate Validity Timeline

🏢 Certificate Information

🔐 Security Details

🏛️ Issuer Information

📊 Technical Specs

🛡️ Security Recommendations

📜 Recent Checks