About PII Redaction Tool
Privacy-first document processing powered by on-device AI
Complete Privacy
Your sensitive documents never leave your device. All PII detection and redaction happens locally in your browser using advanced machine learning models.
Advanced AI Detection
Powered by state-of-the-art Named Entity Recognition models and smart regex patterns to accurately identify names, emails, phone numbers, addresses, and more.
Secure by Design
No servers, no data collection, no tracking. Your documents are processed entirely within your browser's secure environment.
Multiple Formats
Support for text, Word documents, and PDF files with flexible export options to meet your workflow requirements.
How It Works
1. Document Processing
Upload your document or paste text directly into the interface. The tool supports plain text, Microsoft Word (.docx), and PDF formats.
2. AI-Powered Detection
Our advanced machine learning models scan your text for various types of PII including names, email addresses, phone numbers, Social Security numbers, and addresses.
3. Smart Redaction
Review and approve detected PII items. You can customize replacement text and adjust confidence thresholds to meet your specific requirements.
4. Secure Export
Download your redacted documents in your preferred format. All processing remains local to your device for maximum security.
Technical Details
Technologies Used
- • Next.js 14: Modern React framework with App Router
- • Transformers.js: On-device machine learning with WebGPU acceleration
- • BERT-based NER: Named Entity Recognition for person detection
- • Smart Regex: Pattern-based detection for structured data
- • Client-side Processing: Zero server dependencies
Use Cases
Legal & Compliance
Redact sensitive information from legal documents, contracts, and compliance reports while maintaining document integrity.
Healthcare
Remove patient identifiers from medical records and research documents to comply with HIPAA and other privacy regulations.
Research & Academia
Anonymize survey responses, interview transcripts, and research data while preserving analytical value.
Business Operations
Protect customer information in reports, presentations, and shared documents without manual editing.