What is a .pem file and How to use it? <p>I am designing a new chrome extension and when I package it then I get 2 file: a <strong>.crx</strong> file and a <strong>.pem</strong> file.</p> <p>I want to distribuite my extension on my server ( shared ) and on Chrome webstore.</p> <p>Could you tell me what is a pem file and how to use it ?</p> <p>I can't find documentation about it.</p>