title: How do I directly modify a Google Chrome Extension File? (.CRX)
body: <p>I'm not sure in which languages those extensions are, I think the are written in Html, Javascript or JSON. As far as I know they are "compressed" in a .CRX file.</p>
  
  <p>It is possible to directly modify the html, js, json of a Chrome Extension (or whatever language they use)?</p>