Sign in once and the extension is ready: one click keeps the page you're on, and Dex reads, tags and summarises it for you.
A small MyContext window opens. Sign in if you need to, press Allow, and you're back here — nothing to copy or paste.
Click the MyContext icon on any page to save it, or use the shortcuts below. Dex reads, tags and summarises everything you save while you carry on.
Change them at chrome://extensions/shortcuts.