Yes, both the classic Grammarly Editor and the newest AI writing surface available at app.grammarly.com support keyboard navigation.
To navigate through the interface without using a mouse or a touchpad, press F6 to highlight the first element on the page.
Press F6 again to move to the next element or Shift + F6 to focus on the previous one. To navigate within the focused section, press Tab or Shift + Tab. Use Space or Return to activate the link or click a button, and press Tab to reach the next element.
Note: If you use macOS, please visit this page to learn more about using the function keys on your computer.