SSL Checker Tool
Enter a domain to check its SSL certificate details and expiration.
SSL Certificate Details
SSL Checker – Verify SSL Certificate Status and Expiration
This SSL Checker tool allows you to inspect the SSL certificate of any website. Check if the certificate is valid, view issuer details, expiration date, and more. It’s a quick way to ensure your site is secure and properly configured.
Simply enter a domain name, and the tool will fetch the SSL information in real time. It works for any website that uses HTTPS, and helps identify issues like expired certificates or incorrect chain setups.
- Check if a website's SSL certificate is valid
- View expiration date, issuer, subject, and SAN entries
- Detect common SSL errors and misconfigurations
- Works with any public HTTPS domain
- No installation or login required
Use this tool to audit your site’s SSL health, avoid browser warnings, and maintain trust with your visitors.
Frequently Asked Questions (FAQ)
What does an SSL certificate do?
An SSL certificate encrypts data transferred between a user’s browser and a website server. It ensures secure and private communication over HTTPS.
What information can this tool show?
The tool displays certificate validity, issuer, expiration date, subject name, SANs (Subject Alternative Names), and more.
Can I use this tool to check expired or invalid certificates?
Yes. The SSL Checker will highlight if a certificate is expired, revoked, self-signed, or has chain issues.
Does this tool require access to my server?
No. It only queries the public-facing SSL data over HTTPS. You just need to enter your domain name.