How to redact in macOS Preview Preview warns if you try to draw over text, since that doesn’t actually remove it from a PDF (top). Instead, use the Redact tool, which also explains itself.

This post covers free software and online services to redact PDF. You can black out text in PDF or use other colors to hide sensitive information.

In those cases, you may find yourself needing to redact, or black out, the sensitive text in question. If done incorrectly, a poor PDF redaction job can leave the sensitive information vulnerable.

When you share a PDF document, you might not want all the information it contains to be visible. Here's how to simply redact parts of a PDF.

If you want to learn how to properly redact Adobe PDF files, here’s a great guide describing how to do it with Acrobat X Pro. Good luck, and remember that simply marking text will not actually remove ...

If you want to learn how to properly redact Adobe PDF files, here’s a good guide describing how to do it with Acrobat X Pro. Remember that simply marking text will not actually remove it from your ...

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.