Hide HTML Attributes in Sublime Text
This tip is really useful for building HTML emails because HTML emails can become very cluttered with inline CSS.
To fold all HTML attributes in Sublime Text, hit Cmd–K then Cmd–T in quick succession (Mac) or Ctrl–K then Ctrl–T in quick succession (Windows). To unfold, hit Cmd–K and Cmd–0(Mac) or Ctrl–K and Ctrl–0 (Windows).