Redaction guides
Step-by-step help for each file type, and the background on doing redaction properly.
What is redaction?The meaning of the word, the methods that leak, and the situations that call for it.Why black boxes in PDFs failText under a drawn rectangle can still be copied. Where it hides and how to test a file.How to redact a PDFFrom upload to a flattened download, scanned pages included.How to redact a Word documentKeep the formatting while clearing comments, tracked changes and author names.How to redact a screenshot or photoSolid boxes over text, faces and plates, with location data stripped.How to redact an Excel spreadsheetClear personal data from workbooks without breaking styles, formulas or charts.How to redact a PowerPoint presentationSlides, notes and charts cleaned before a deck leaves the team.How to redact an audio recordingBleep spoken details in calls and interviews, with a matching transcript.How to redact logs and JSON before sharingMask keys, tokens and customer data in logs, configs and payloads.Remove location and camera data from photosSee the EXIF and GPS data a photo carries and save a copy without it.What personal information to redactDirect identifiers, risky combinations and the details people forget.Redacting documents for a GDPR access requestWhose data to remove when answering a subject access request, and how to keep a record.