Microsoft "certutil -encode..." - Converte PEM file to DER


How to convert a certificate file in PEM (Privacy Enhanced Mail) format to DER (Distinguished Encoding Rules) format?



If you want to convert a certificate from PEM format to DER format, you can use the Microsoft "certutil -decode input_file output_file" command as shown in this tutorial:

C:\fyicenter>\windows\system32\certutil -decode FYIcenter.pem FYIcenter.der
Input Length = 788
Output Length = 530
CertUtil: -decode command completed successfully.

Locate the output file "FYIcenter.der" with Windows Explorer and double-click on the file name. You will see the certificate is opened in a new window: Microsoft certutil - View Certificate in DER Format

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