Show HN: NoPII – One line of code to protect PII before it hits your LLM

Category: security

Tags: pii-protection, llm-security, privacy, api-proxy, compliance

Score: 7.0/10 (Innovation: 7, Technical: 6, Documentation: 8, Utility: 7)

NoPII is a reverse proxy that automatically detects and tokenizes Personally Identifiable Information (PII) in requests to LLM APIs, protecting sensitive data while preserving context via deterministic tokens. It's interesting because it offers a simple, drop-in solution for compliance and security without requiring application rewrites, leveraging an enterprise-grade tokenization vault.

Target audience: backend devs, data engineers, devops

Repository: https://www.nopii.co · MIT · 63 stars

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