11 Best Free Online TLS Checker Websites

Here is a list of best free online TLS checker websites. TLS (Transport Layer Security) is a security protocol that is responsible to provide secure communication over computer networks. Website servers use different versions of TLS protocols carrying multiple certificates. To find out TLS versions, certificates, and proper installation of TLS, users need TLS checker websites.

Using these websites, users can check website servers using their domain addresses. After analyzing a server, they show installed TLS protocol versions, TLS installation status, TLS Certificates, Certificates expiration dates, etc. Besides this, some TLS checkers also show additional certificate information, certificate issuer names, TLS cipher names, and certificate signature information. On some websites, users can use the provided TLS check data to find out the vulnerabilities in the TLS of a server. Most of these websites can also be used to perform SSL check operations to find out SSL certificates, SSL cipher methods, etc., information. The process to perform both TLS and SSL checks is quite simple on these websites.

These websites also come with additional tools like Network Delivery, SSL Client Test, SSL Threat Model, and more. Go through this list to know more about these websites.

My Favorite Online TLS Checker Website:

ssllabs.com is my favorite website as it can check both SSL and TLS certificates, protocol versions, and other associated information.

You can also check out lists of best free Online SSL Checker, Online SSL Converter, and Online Triple DES Encryption websites.

Features/Website Names	Can also perform SSL Check Operation	Shows TLS Cipher Used	Shows TLS Certificates
ssllabs.com	✓	✓	✓
cdn77.com	✓	x	x
geekflare.com	x	x	x
testtls.com	✓	✓	✓
digicert.com	✓	x	✓
sslmarket.com	✓	x	✓
hackertarget.com	✓	✓	✓
securityforeveryone.com	✓	✓	x
tls-check.de	✓	✓	✓
webwiz.net	✓	x	✓
ipsaya.com	✓	x

ssllabs.com

ssllabs.com is a free online TLS checker website. As its name implies, it is mainly an SSL checker website that can also show the TLS version supported by the server of a website. Besides this, it also shows detailed server key and certificate information like serial number, certificate validity, Issuer Name, and more. A handy Cipher Suits result is also provided by it that shows the encryption method used by TLS protocols. Now, follow the below steps.

How to check TLS status online of any domain using ssllabls.com:

Launch this website using the given link.
After that, enter the hostname of a website in the input field.
Next, click on the Submit button to initiate the analysis process.
In the end, users can view the SSL report along with active TLS versions and their encryption method.

Additional Features:

This website also comes with additional online tools like SSL Pulse, SSL Client Test, SSL Threat Model, etc.

Final Thoughts:

It is one of the best free online TLS checker websites that anyone can use to check both the SSL and TLS status of any domain and website.

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cdn77.com

cdn77.com is a free online TLS checker website. Users can quickly check any website for supported TLS protocols and their versions using this website. It also shows which versions of TLS are enabled or disabled on a specific website. Apart from TLS, it can also be used to find out the enabled or disabled SSL versions. It also provides a brief description of both TLS and SSL protocols. Now, follow the below steps.

How to check the TLS status of any website using cdn77.com:

Go to this website and open up the TLS Checker section.
After that, enter the URL of a website in the input field.
Next, click on the Test Now button to start the TLS check operation.
Finally, view the TLS status (enabled or disabled) and TLS versions.

Additional Features:

This website also has additional online features like CDN, Video Delivery, Network Security, etc.

Final Thoughts:

It is a good online TLS checker website that helps users find out all the activated TLS protocols of a website.

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geekflare.com

geekflare.com is another free online TLS checker website. This website offers a simple TLS checker tool that helps users find out the current TLS version of a website server. Plus, it also shows all enabled TLS versions. It also offers brief information on TLS protocol testing and why TLS is important. Besides this, users also get a separate TLS Scanner tool that helps users find out all the TLS vulnerabilities and configurations. Now, follow the below steps.

How to check TLS status of a website using geekflare.com:

Go to this website and open up the TLS Checker tool.
After that, enter the domain name of a website in the input field.
Next, start the TLS check process to view the current TLS version and all enabled TLS versions.

Additional Features:

This website also comes with additional online tools like Secure Headers Test, Whois Hosting, Website Performance Audit, HTTP Headers Check, and more.

Final Thoughts:

It is another good online TLS checker website that shows the TLS version used by a website.

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testtls.com

testtls.com is another free online TLS checker website. It is another good website that lets users test the TLS servers of various websites. After analyzing a website, it shows the enabled TLS versions, Cipher Order, OCPS Revoked, Common Name, etc., information. Besides this, it also shows supported SSL and ALPN HTTP protocol versions, Cipher Categories, Server Preferences, Certificates, HTTP Responses, and more. Now, follow the below steps.

How to check TLS status of a website online using testtls.com:

Open the interface of this website using the provided link.
After that, enter the URL of a website and start the TLS status analysis process.
In the end, users get supported TLS versions, SSL versions, cipher categories, etc., information.

Additional Features:

This website also lets users download servers X.509 certificates.

Final Thoughts:

It is another effective online TLS checker website that not only shows the TLS but SSL protocol details like their version and enabled protocols.

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digicert.com

digicert.com is another free online TLS checker website. This website comes with a dedicated TLS checker website. Using this website, users can find out whether TLS and SSL certificates are installed correctly or not. Besides this, it shows all the installed certificates and their expiration dates. Unlike most other similar websites, it doesn’t show which TLS version is installed on the servers of given websites. Now, follow the below steps.

How to check TLS certificate online using digicert.com:

Visit this website and open up the DigiCert SSL Installation Diagnostics Tool.
After that, enter the website address in the Sever Address field.
Next, click on the Check Server button to initiate the analysis process.
Finally, view all the TLS and SSL certificates a server contains along with their expiration dates.

Additional Features:

A good set of additional online tools are also present in it like Digital Trust, SSL Exchange, Compare SSL Certificates, SSL Support Home, etc.

Final Thoughts:

It is another good online TLS checker website through which users can view all the TLS and SSL certificates a server has.

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sslmarket.com

sslmarket.com is another free online TLS checker website. This website helps users check the TLS and SSL certificates of a website server. To do that, it uses the domain of a website. After performing the analysis, it shows all the currently installed TLS and SSL certificates along with their expiration dates. Besides this, it also shows additional certificate-related information like Publisher Name, Extended Key Usage, Key Usage, Key Length, Encryption Algorithm, etc. Now, check out the below steps.

How to check TLS certificates of a website using sslmarket.com:

Launch this website using the provided link.
After that, enter the domain address of a server.
Now, click on the Check button to start the analysis process.
Finally, view the TLS and SSL certificates and various information associated with them.

Additional Features:

This website also comes with additional online tools like Domain Validation, Organization Validation, Wildcard Certificates, GeoTrust, DigiCert, SAN/UC Certificates, etc.

Final Thoughts:

It is another good online TLS checker website that anyone can use to check both TLS and SSL certificates of a server.

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hackertarget.com

hackertarget.com is another free online TLS checker website. This website helps users find out the vulnerabilities and weak cipher of TLS and SSL certificates. Plus, both TLS certificates and cipher suit information are also provided by it like SHA1 Fingerprint, Serial Number, Public Key Algorithm, Key Size, Signature Algorithm, etc. After reading all the TLS cipher and certificate information, users can copy all the data. Now, follow the below steps.

How to check TLS certificate online using hackertarget.com:

Go to this website and open up the SSL/ TLS Scan option.
Now, enter the domain address of a website in the input section and start the analysis process.
Next, view all the analyzed information related to TLS/ SSL certificates and ciphers used to protect them.

Additional Features:

Scanners: It provides additional online scanning tools like WordPress Scanner, Joomla Security Scan, Drupal Security Scan, Nikto Web Scanner, Nmap Port Scanner, etc.
Tools: It offers multiple DNQ Queries, IP Address, and Web Tools like DNS lookup, Reverse DNS, Zone Transfer, ASN Lookup, TCP Port Scan, HTTP Headers, etc.

Final Thoughts:

It is another capable online TLS checker website that anyone can use to find out the TLS certificates and certificate cipher methods.

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securityforeveryone.com

securityforeveryone.com is another online TLS checker website. This website comes with an SSL/TLS-supported cipher tool. This tool is designed to check the configurations of both TLS and SSL protocols for supported ciphers. It also helps users detect weak cipher methods used on a website’s server. Besides this, it also suggests the right cipher methods that users can use on their servers. Now, follow the below steps.

How to check the TLS certificate online using securityforeveryone.com:

Visit this website and open up the SSL/ TLS Supported Cipher tool.
After that, enter the domain of a website and click on the Scan Now button.
Next, view the TLS version used on the server along with the cipher method used for TLS data encryption.

Additional Features:

This website can also generate the TLS report in video format, unlike any other similar websites.
A good set of free tools are also provided by it like Generic Open Redirect Vulnerability Scanner, Generic XXE Vulnerability Scanner, and more.

Final Thoughts:

It is another good online TLS checker website that helps users find out the TLS version and cipher method used in TLS.

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tls-check.de

tls-check.de is another free online TLS checker website. This website comes with a TLS Checklist Inspector tool that helps users perform security checks on a website. It also checks whether a website is configured according to the rules of the German Federal Office for Information technology.

After analyzing a website, it shows the TLS protocols used and their versions. Besides this, it also shows the TLS Certificates, TLS Cipher Suites, and TLS Algorithms. Now, follow the below steps.

How to check the TLS certificate online using tls-check.de:

Open the interface of this website using the provided link.
After that, enter the domain address or IP Address in the Domain field.
Now, click on the Start button to initiate the analysis process.
Next, view the TLS Protocols used, TLS Certificates, TLS Ciphers, etc., information.

This website also lets users download the TLS checklist report in PDF file format.

Final Thoughts:

It is another great online TLS checker website that offers comprehensive data related to TLS certificates, TLS cipher, and TLS protocol parameters.

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webwiz.net

webwiz.net is the next free online TLS checker website. This website can perform both TLS and SSL certificate tests over website servers to check if all the TLS and SSL certificates are installed perfectly or not. In addition to that, it also checks if the web server of a website is sending the correct headers. Some of the SSL and TLS certificate information that it shows are Server IP, Trusted Root, Hostname Match, Issuer Name, Certificate Expiration Date, Supported TLS and SSL protocol versions, etc. Now, follow the below steps.

How to check the TLS certificate online using webwiz.net:

Go to this website using the provided link and enter the domain address in the Hostname field.
After that, click on the Run SSL Checker button to initiate the analysis process.
Next, view all the TLS and SSL certificates, protocols, and status (certificates are installed correctly or not) information.

Additional Features:

On this website, users get multiple additional tools related to DNS, Network, Email, and Domain.

Final Thoughts:

It is another good online TLS checker website that can check the status of installed TLS certificates along with headers.

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ipsaya.com

ipsaya.com is another free online TLS checker website. This website is also used to check the TLS and SSL certificates of a website server. To do that, it only requires the domain address of a website. After performing all the checks, it shows Testing Connection, Testing Protocols, Testing Certificate Information, and Testing Vulnerabilities. Now, follow the below steps.

How to check the TLS certificate online using ipsaya.com:

Visit this website and select the SSL/ TLS certificate Checker tool.
After that, enter the domain address in the Domain field and start the analysis process by clicking on the Check SSL/ TLS button.
Next, view all the detailed TLS and SSL certificates, vulnerabilities, used TLS protocols, etc., information.

Additional Features:

This website can also be used to perform additional operations like Check My IP, Check My Location, Check Ping, Check Site Header, Check IP Hosting Location, and more.