Why Check TLS/SSL Certificates?
Verify Website Security and Encryption
TLS/SSL certificates are what make the lock icon appear in your browser when visiting secure websites. Our certificate checker shows you whether a website properly encrypts your data, uses up-to-date security protocols, and has valid authentication. This is essential before entering passwords, credit card information, or personal details on any website.
By checking a website's TLS certificate, you can see if it's properly configured to protect your information from hackers and eavesdroppers. Our tool reveals certificate details, expiration dates, and security strength, helping you make informed decisions about which websites you can trust with sensitive information.
Check Certificate Validity and Trust
Valid certificates are issued by trusted authorities and prove that a website is who it claims to be. Our checker shows you whether a certificate is legitimate, when it expires, and if it covers the domain you're visiting. Expired or invalid certificates are red flags that indicate potential security risks or fraudulent websites.
Different types of certificates offer varying levels of verification. Some only confirm domain ownership, while others require extensive business verification. Our tool helps you understand what level of verification each website has, so you can assess their legitimacy accordingly.
Understand Website Performance and Compatibility
Modern TLS configurations not only provide security but also affect website loading speed and compatibility with different devices and browsers. Our analyzer shows you whether websites use the latest TLS versions and optimized settings that provide both strong security and fast performance.
Websites with outdated TLS configurations may load slowly, show security warnings, or not work properly on mobile devices. By checking TLS settings, you can understand why some websites perform better than others and ensure your own site provides the best user experience.
Research Before Sharing Personal Information
Before creating accounts, making purchases, or sharing personal information on any website, you can verify their security certificate to ensure your data will be properly protected. This is especially important for online banking, shopping, healthcare, and business services.
Our TLS checker reveals potential security issues like weak encryption, expired certificates, or configuration problems that could put your information at risk. This verification step helps you avoid phishing sites and ensures you're dealing with legitimate, security-conscious organizations.