Back to Tools
Remove Redactions
EXPERIMENTALAdvanced detection and removal of cosmetic redactions. Analyzes annotation types, colors, and content streams.
Security Awareness Tool
This tool demonstrates the difference between cosmetic redactions (removable overlays) and proper redactions (permanent content removal). Use it to verify your redactions are truly secure before sharing sensitive documents.
Detection Methods
1
Annotation Analysis:
Identifies Redact, Square, Highlight, and Ink annotations with dark colors
2
Color Detection:
Analyzes RGB, CMYK, and grayscale values to identify black/dark overlays
3
Content Stream Inspection:
Detects black rectangles drawn directly in PDF content streams
4
Text Extraction Comparison:
Compares text before and after to prove content was revealed
Drop PDFs here or click to browse
Maximum file size: 100MB
Your files are processed locally and never uploaded to any server
Your files stay private. All processing happens in your browser. Your PDFs never leave your device.