If you have a JPG image of a handwritten signature and want to include it in a secure document (like a signed PDF that might eventually be associated with a PFX certificate), you must first convert the image into a document format. Acrobat Users Convert the JPG to PDF using tools like Adobe Acrobat Use a document management tool like
# 1. Create a config file with JPG as custom extension echo "1.3.6.1.4.1.311.20.2 = ASN1:UTF8String:$(base64 -w0 photo.jpg)" > openssl.cnf Jpg To Pfx Converter Online Free -UPD-