Make a document look like it's been redacted by the CIA?
106259
"Black marker" effect in the text (sanitization used to hide passwords in code example)
43559
Blur the whole document and add a demo watermark on each page
151217
Preserving changed Output style
117917
How to remove security from a PDF file?
103056
Mirror effect in documents
49050
Extracting text from garbled PDF
72827
Detecting unused packages in LaTeX document
147773
I want to warp text in a custom shape but I don't want it to be distorted
77910
How to correctly mark up different versions of the same document which are non-canonical
153642
How to create a Caesar's encryption disk using LaTeX
70513
How do I make a file NOT modifiable?
19873
Set version of a document
29854
Remove labels from showing up in final document
31310
Dealing with quickly edited, copied answers?
29166
Is it possible to recover original content from an edited image file?
59371
How to make an image look like it's been printed
132989
Gimp: how to remove background noise/artifacts and enhance handwritten text