Your Documents
Never Leave Your Browser
Verify It Yourself
Open DevTools. Watch the Network tab. Upload a document. Count the requests: zero. This is provable privacy, not a promise.
Trusted By Organizations In
Smart PII Detection
Instantly identify 21+ types of PII including names, credit cards, SSNs, medical licenses, and crypto addresses using advanced NLP models.
Zero-Server Privacy
Documents never leave your browser. Not to our servers, not to any server, not anywhere. Processing happens via WebAssembly in your browser's sandbox. Verify it yourself.
Full PDF Redaction in Browser
Upload a PDF, detect PII, download a redacted PDF with black rectangles - all in your browser. 8 anonymization methods via Web Crypto API.
Deploy as Static Site
No server infrastructure needed. Deploy to any CDN. Optional REST API and MCP server for programmatic use cases.
Built for Regulated Industries
Purpose-built redaction solutions for organizations that handle sensitive information under strict compliance requirements.
Legal
Attorney-client privilege protected. Documents never leave the browser during redaction.
Healthcare
HIPAA-compliant PHI de-identification. No PHI transmitted to any server.
Government
Works on air-gapped systems. Full offline capability after first load.
Financial
PCI DSS data processing in browser sandbox. Credit card validation via Web Crypto.
Multiple Integration Paths
Embed the client-side engine in your web app, use the optional REST API for server workflows, or connect AI agents via MCP. Your architecture, your choice.
Browser Library (Default)
Import the TypeScript engine into any web app. Zero server dependency. Client-side PII detection.
REST API (Optional)
Server-side endpoints for headless pipelines and programmatic use cases.
MCP Server for AI Agents
Give Claude the ability to detect and anonymize PII as a privacy guardrail.
{
"mcpServers": {
"pdf-redaction": {
"command": "node",
"args": ["./dist/mcp/server.js"],
"env": {
"LOG_LEVEL": "info"
}
}
}
}The Only Client-Side PII Engine
Every other tool processes your documents on a server. We process them in your browser.
| Feature | Presidio Next | Self-Hosted Tools | Cloud Services |
|---|---|---|---|
| Client-Side Processing (Browser) | — | — | |
| Zero Network Requests | — | — | |
| Offline Capable | — | — | |
| No Server Infrastructure | — | — | |
| Verifiable Privacy (DevTools) | — | — | |
| Automated PII Detection | |||
| 21+ Entity Types | — | ||
| PDF Redaction | |||
| Open Source | — | — | |
| Air-Gap Compatible | — | — |
Simple, Transparent Pricing
Start free, scale when you're ready.
Professional
- Unlimited processing
- Advanced detection
- Batch processing
- API access
- Email support
Enterprise
- On-premises deployment
- Custom detection rules
- Compliance reports
- SLA guarantee
Your Documents Deserve Zero-Server Privacy
Stop trusting servers with sensitive documents. Process PII detection and PDF redaction entirely in the browser. Open source. Verifiable. Deploy as a static site.