Some servers and hosting companies may require you to submit your SSL Certificate in a different format than the original format in which your SSL Certificate was provided to you. Here are some links with instructions on how to convert an SSL Certificate to different file formats:

  1. SSL convertor – various formats
  2. Guide to convert SSL into various formats

CRT to PFX format conversion

1. Get PFX from CRT and txt containing private key for Azure
2. Bind an existing custom SSL certificate to Azure Web Apps
3. Exporting the SSL Certificate as a PFX file from IIS server
4. Convert your certificate to PFX

Convert .CRT to.CER file

It is easy to switch from .CRT format to .CER format. They are basically interchangeable. You can change the SSL Certificate extension/format by going with the steps written below:

  1. Copy and paste the CRT code which you got from your SSL Certificate’s details page in your SSL Dragon account and use Notepad to create a mywebsite.crt file from it;
  2. Double click on the mywebsite.crt file to open it and see the certificate being displayed;
  3. Click on the “Details” button, and then click on the button that says “Copy to File”;
  4. When you are on the Certificate Wizard, click “Next”;
  5. Then select Base-64 encoded X.509 (.CER), then click “Next” again;
  6. Click on “Browse” to choose the location where you want to save the converted file, and enter the desired name for your file (e.g.: mywebsite.cer);
  7. Finally, click “Save”, and you will have the .CRT to .CER conversion complete;
  8. You can get the mywebsite.cer file from the folder where you selected to save it to.