Redact PDF
Apply permanent black redaction boxes to PDF pages.
A practical guide to Redact PDF
Redact PDF applies permanent black boxes to selected page regions in the exported document. Proper redaction must remove the underlying content, not merely cover it visually.
Example: remove account details from a statement
Mark every occurrence of the account number, export the redacted copy, then search, select, copy, and inspect it in another viewer.
Task-specific steps
- 1
Work on a copy and identify every visible, repeated, hidden, metadata, attachment, and annotation occurrence of the sensitive data.
- 2
Draw redaction regions large enough to cover the full content, including descenders and neighboring fragments.
- 3
Export and test the result by searching, selecting, copying, zooming, and opening it in an independent viewer.
Options that affect the result
- Page-region boxes target text, images, signatures, or mixed content that must be removed.
- A dark fill makes the removed location obvious to recipients instead of silently shifting layout.
Limitations to know first
- Visual boxes alone are not safe; verification must confirm underlying objects cannot be recovered.
- Metadata, bookmarks, attachments, comments, OCR layers, and repeated values may require separate inspection.
Questions specific to this task
How do I verify a PDF redaction?
Search and copy around the area, inspect document properties and attachments, and test the export in another viewer while retaining the original securely.
Is cropping a safe way to redact a PDF?
No. Cropping can leave hidden content in the file. Use a redaction workflow designed to remove underlying page data.