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How to compress PDFs

This post summarizes some ways to compress PDF files. Free methods to compress PDFs Free Online Tools I Love PDF Official website CIB pdf standalone Official website Paid methods to compress PDFs Paid Online Tools Official website Paid Applications Adobe…

Digital Certificates

Digital certificates, also known as public key certificates or identity certificate. When I explain what a digital certificate to someone without a strong IT background I like to compare it with a seal ring, like the ones used in medieval…