The Live Editor opens on your own website. You see exactly what your visitors see, and you change it in place.
What it looks like
Invited proofreaders open the editor right on the pageThey sign in with the email and password the site owner shared, and nothing elseClick a sentence, type the better wording, saveImage Translation mode: pick images on the page and choose when they are translatedInvite editors by email, right from the editor