I installed the extension, saw the account creation form, and uninstalled the extension. I agree, I don't need another server somewhere downloading the pages I

I installed the extension, saw the account creation form, and uninstalled the extension. I agree, I don't need another server somewhere downloading the pages I bookmark. Some of them are even on the intranet at work. Could this work entirely within the extension? Or could I opt out of the HTML-search feature and use the other features?