Guides
How to share documents, photos and text without giving away more than you meant to.
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How to Redact a PDF (and Check the Text Is Really Gone)
A black box doesn’t always hide the text. We tested six ways to redact a PDF: five left every word copyable. Here is what works, free or in Acrobat.
6 October 2026
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How to Redact a PDF in Preview on Mac (Not With a Black Box)
Preview has a real Redact tool, and a black rectangle from Markup is not it. Here is how to redact a PDF in Preview, its limits, and how to check the result.
6 October 2026
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How to Redact in Word (So the Text Is Really Gone)
Word has no redact button, and black highlighting leaves every word in the file. Here is how to redact a Word document properly, on Windows and Mac.
6 October 2026