What happened? The problem is that if you draw a black rectangle over a PDF text, the text still stays there! A simple Select All → Copy command on a computer will get it from underneath the drawing.
Recently, there`s been a few high-profile legal cases where lawyers submitted PDF files to courts, carefully redacting sensitive information, only to have journalists take those PDFs from the court`s archives and copy-paste the "redacted" text from underneath the black rectangles drawn on top of PDF pages. It allows you to wipe all hidden, redacted, or otherwise invisible or deleted - but still present in the file - data and pages from a PDF file.
GoodReader offers you a unique feature, hardly ever found anywhere else - Secure Photocopy *.
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