Protect sensitive data in your LLM workflows with on-device, real-time scanning — before your prompts ever leave your computer.
Real-time PII detection runs locally on your device - safe prompts pass instantly, sensitive data is blocked automatically.
Sleep better knowing your sensitive data never reaches cloud AI services.
Advanced local language parsing and AI detection algorithms that run silently in the background — scanning prompts before they ever leave your device.
Works with any OpenAI-compatible tool - ChatGPT, Claude, Cursor, Jan, LM Studio, Ollama and more.
Optimized local scanning completes in under 500ms - no noticeable delay, even in heavy AI workflows.
All detection happens offline and entirely on-device. No cloud uploads, no telemetry, no logs - your data never leaves your computer.
GDPR, HIPAA, SOX, SOC 2, ISO 27001, CCPA, PCI-DSS compliant policies enforced from day one.
Installs in 10 minutes, scales to any team size. Integrates with existing security infrastructure.
While competitors rely on cloud processing that exposes your data, PromptGuard runs entirely on your device - giving you enterprise-grade security without sacrificing privacy or performance.
| PromptGuard | Strac/LayerX | Nightfall | |
|---|---|---|---|
| Processing | On-Device / On-Premises | Cloud | Cloud |
| Detection Technology | Advanced Detection | ML + OCR | LLM Models |
| Open Source Core |  |  | |
| Offline Capable | | | |
| Scope | LLM Security | General DLP | SaaS + Browser DLP |
| Target User | All | Enterprise | Enterprise |
| Time to Value | Minutes | Hours | Hours |
| AI Coverage | All Tools | Browser + API | Browser + API |
Advanced local protection that works for everyone - from personal users to enterprise teams.
Whether you're protecting your own data or your entire organization's - one mistake is too many.
Protect attorney-client privilege
HIPAA compliance for clinical AI workflows
Prevent API keys and credentials from leaking
Safeguard client confidentiality automatically
Stop PII exposure before it happens
Peace of mind with every AI conversation
Protect attorney-client privilege across all AI interactions
HIPAA compliance for clinical AI workflows
Prevent API keys and credentials from leaking
Safeguard client confidentiality automatically
Stop PII exposure before it happens
Peace of mind with every AI conversation
