Skim is for the moment right before you sign a contractor quote, lease, or service agreement you don't fully trust. Upload the PDF or paste the text. Skim shows the five clauses that can cost you money, a rewrite for each, and a reply ready to paste. It's $9 once for up to 3 documents: no subscription, not unlimited, no account. You can open a free sample on the site first. Not legal advice. askskim.com