title: How can I add my html code on my Index.html in my TextEdit/ Mac. My content in the index.html doesn't allow me to do any editing
body: <p>I created an html page with TextEdit on my mac saving it at an HTML file, however when I click on it in my browser and want to add some structure, h1,p1, etc. the page is an online html and doesn't allow me to change or add anything</p>
  
  <p>I changed the rich text to plain text.</p>