Hi, In this post, we will learn that how can we convert PEM KeyFile into PPK KeyFile and vice versa including the installation of the tool which we will use to accomplish this. For the Windows Operating System In Windows system is easy and straight forward. You just need a tool called "puttygen.exe" from the URL - https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html Choose the appropriate version as per your OS. Convert PEM into PPK in Windows After downloading the PuTTYgen and open it, load your file (select All Files (*.*) in the bottom dropdown to select your PEM key file). You will get a message Successfully imported foreign key, Just click OK, Now click on Save private key button to save that key in the location where do you want to save it. Convert PPK into PEM in Windows Now we will convert PPK file into PEM using PuTTYgen in Windows PC Open the PuTTYgen tool, now load your PPK file into it, and finally, Go to Conversions Menu and Click on Export OpenSSH k...