FreePDF: The Redact text function is not available in FreePDF.
If you want to share a PDF document that contains confidential text passages, you can redact it reliably with FlexiPDF. When redacting, the confidential text is not simply "covered" but is physically removed from the PDF file and replaced by a black or colored rectangle.
Redacted text is also removed from the invisible metadata of the PDF file. These include bookmarks, text in comments and metadata that cannot be accessed by the user.
| 1. | Select the Text edit tool  in the Quick access toolbar, and then select the section of text to be redacted. This may be a single word or an entire article. |
| 2. | Choose the ribbon command Review | group Redact | Redact selected text  . Alternatively, press Ctrl+Shift+R on the keyboard. |
| 3. | The selected text is covered with a box. This is the way the text will appear when the PDF is opened, regardless of the PDF program. |
| 4. | You can still undo this change during editing, but once you save the document, the redaction becomes permanent and can no longer be removed. |
Note: FlexiPDF remembers the color and label that you applied with the ribbon command Review | group Redact | Redact style for future redactions. (For more information, see Redact style.) Thus, first use this command to change the redact style according to your needs.