Photograph paper pages with your phone and get one clean PDF. The page edges are found for you, straightened, and the shadows taken out. Your photos stay in this tab.
Pages
Tap a page to adjust it. Arrows move it, × removes it.
Your photos never leave this tab. The browser itself finds the page, straightens it and writes the PDF; nothing is uploaded, and there is no account. Close the tab and it is all gone.