In addition to accessing LastPass features from your browser plugin, you can also select some of the more common functions from the right-click context menu.
Right-Click Menu Options
When you are on a site (and logged into LastPass), you can right-click on the page to trigger the context menu:
Clicking ‘LastPass’ launches a submenu:
From the submenu, you can Generate a Secure Password, Recheck Page, Copy Username or Copy Password for matching sites, or Autofill login information for matching sites.
If you are trying to fill out a web form on a site, you can use the right-click menu > LastPass Fill Forms option to choose a form fill profile and autofill the web form on the page: