Edit ‣ Paste and Match Style is available in most applications. You can assign it to a keyboard shortcut if it's not assigned to one in the app you're using. A

Edit ‣ Paste and Match Style is available in most applications. You can assign it to a keyboard shortcut if it's not assigned to one in the app you're using. Also, I use Typinator, and have assigned an abbreviation to paste as plain text. Text expansion tools are indispensable.