Decode SSL certificate

This online service decodes your x509 SSL certificate and verifies that your certificate is valid and displays the information held in the SSL certificate, such as subject name, issuer name, purposes, valid from and valid to dates etc.

Enter your certificate and press the "Show information" button, the certificate information will be displayed.

If you have no certificate, an example is provided by pressing the "Demo certificate" button or you can create one, see: Creating a self-signed SSL certificate.

Enter the SSL certificate:

SSL certificate *:

* = required          

Certificate information: