How to convert SSH key by using PuTTYgen

Format of secret key file using PuTTY (and WinSCP) is changed from PuTTY Release 0.75, and WinSCP 5.19 and later support this new format secret key files. We recommend you should use latest version.

Convert SSH key by using PuTTYgen

1. Launch PuTTYgen.
2. Click Conversions -> Import key and select private key.
   
   
   
3. Enter passphrase for key.
   
   
   
4. Click save private key, and save converted private key.