SSL Cert Downloader : Command-line Tool to Grab SSL Certificate from Remote Server
SSL Certificate Downloader
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SSL Cert Downloader is a free command-line tool to grab SSL certificate from server remotely.

It can be used to download certificate from any of the SSL enabled services including

  • HTTPS (443)
  • LDAPS (636)
  • SMTPS (465)
  • POPS (995)
  • IMAPS (993)

You can either specify IP address or host name of the server. Also you can enter any custom port which makes it useful when SSL service is running on non-standard port.

Once the certificate is downloaded from the server it will be saved to the specified file. Later you can just double click on the saved file to view the SSL certificate.

It is very easy to use and being a command-line tool makes it easy for automation through scripting.

SSL Cert Downloader is fully portable and works on all platforms starting from Windows XP to Windows 10 version.

How to use?

SSL Cert Downloader is a command-line based tool. Hence it must be launched from cmd prompt as shown below.

Here are the simple usage information,

   SSLCertDownloader.exe <server_address> <port> <save_filename>     
        <server_address>   IP Address of Name of Remote Server
        <port>             Port number of SSL service
        <save_filename>    Full path of file name save the certificate
Examples of SSLCertDownloader
//Show the help screen
SSLCertDownloader.exe -h
//Download SSL Certificate from Google Web Server
SSLCertDownloader.exe 443 c:\googlecert.cer
//Download SSL Certificate from LDAP Server
SSLCertDownloader.exe 636 c:\ldap_sslcert.cer
//Download SSL Certificate from SMTP SSL Server
SSLCertDownloader.exe 465 c:\smtp_sslcert.cer
Once the certificate is saved to file, you can just double click on it to view the contents as shown in the screenshot below.
Screenshot 1: SSL Cert Downloader grabbing the SSL Certificate from Facebook web server
SSLCertDownloader in Action
Screenshot 2: Contents of Facebook SSL Certificate grabbed by SSL Cert Downloader
SSLCertDownloader in Action
Release History
Version 4.0: 4th Sep 2018
Major 2018 release with improved & faster SSL Certificate downloading features
Version 3.0: 13th Jul 2017
Mega 2017 edition supporting 130+ Cipher Suites for downloading SSL Certificates
Version 2.0:  3rd Jun 2016
Mega 2016 release with support for new Windows 10 version.
Version 1.5:  29th Apr 2013
Automatically detects non-command mode and displays the prompt message. Improved output and help screen.
Version 1.0:  7th Mar 2013
First public release of SSLCertDownloader.
FREE Download SSL Cert Downloader v4.0

License  : Freeware
Platform : Windows XP, 2003, Vista, Windows 7, Windows 8, Windows 10


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