You may want to black out text in PDF files for the following reasons: Hiding personal, financial, legal, medical, and other confidential information from being seen; Following privacy regulations.

Removing text from a PDF isn't as easy as drawing a black bar across it. Fortunately, redaction tools let you truly erase sensitive text in Preview, Adobe Acrobat DC Pro, and PDFPen.

PDF Replacer is a free software to find and replace text in bulk in PDF files. You can choose font types, remove text from PDF files using blank,etc.

Craig Mod, a deep thinker about books, queried on Twitter about a way to invert black-on-white text to white-on-black in a PDF. There are a few ways to carry this out. iOS Accessibility lets you ...