Removing shadows from document photos? Aim for readable ink, not the brightest possible page. Heavy cleanup can wash out pencil marks and pale ink.

Removing shadows from document photos? Aim for readable ink, not the brightest possible page. Heavy cleanup can wash out pencil marks and pale ink.
Creating a scanned PDF from phone photos? A scanner effect can't recover words that were never readable, so start with a flat photo of each page, without glare.
No scanner nearby? Use your phone or laptop camera to capture pages, put them in order and download a clean multi-page A4 or Letter PDF. No account needed.