PII Shield: Privacy-Preserving Prompt Sanitizer for LLM Workflows
0.5已归档23 次浏览0 次认可6/26/2026
HealthcareB2B SaaSPrivacy RiskDeveloper ToolsLocal-First
来源平台: idea-spark
A lightweight local-first web tool that automatically anonymizes personally identifiable information (PII) in text before it's sent to large language models, helping developer teams in regulated industries comply with privacy laws while leveraging AI without data leakage risks.
目标用户
Small to medium-sized enterprise development teams using LLM APIs (e.g., OpenAI, DeepSeek) to process sensitive data in healthcare, legal, or financial applications, where they handle customer records or confidential documents.
核心差异点
100% local processing that guarantees data privacy by design, eliminating the need to trust third-party cloud services with sensitive text, which is critical for compliance with regulations like GDPR and HIPAA.
解决方案
A Chrome extension or local API proxy that scans user input or API payloads in real-time, uses NLP models (like spaCy) to identify PII (names, emails, phone numbers, addresses), and replaces them with consistent tokens or placeholders. The tool runs entirely on the user's device, with no data sent to external servers, and provides a simple UI for toggling protection on/off.
关联痛点
Erosion of user privacy due to increased surveillance and data collection practices on the internet.AI systems failing in real-world applications leading to reliability issues and the need for human oversight.
MVP 范围
Core feature: Identify and anonymize common PII types (names
emails
phone numbers
addresses) in English text using local NLP models.
Integration: Chrome extension that intercepts text input in web apps or API calls to OpenAI/DeepSeek and sanitizes before processing.
User control: Simple dashboard for users to whitelist exceptions
view anonymized logs
and manage token mappings.