Pii Detection Python Packages

presidio-analyzer

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

presidio-anonymizer

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

argus-redact

Encrypt PII, not meaning. Locally.

datafog

Offline PII firewall for AI agents and LLM apps: fast local detection and redaction, Claude Code hook, LiteLLM guardrail. Zero network calls, one dependency.

presidio-image-redactor

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

presidio-structured

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

maskops

High-speed PII masking as a Polars plugin — powered by Rust

presidio

An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

fastpii

Privacy infrastructure for AI applications handling Czech and European data

presidio-hardened-x402

Security middleware for x402 agentic payments — PII redaction, spending policy, and replay detection before blockchain commit

agentarmor

The full-stack safety layer for AI agents. Budget limits, prompt injection shields, PII filtering, output firewalls, and hooks — in 2 lines of code.

declaw

Python SDK for Declaw — security-first sandboxing for AI agents

preserve-pii

Privacy-preserving PII detection & scrubbing for LLM prompts — local-first, reversible, 15+ countries. Python library, CLI, OpenAI-compatible API gateway, and a 100% in-browser demo.

doc-redaction

Redact PDF/image-based documents, Word, or CSV/XLSX files using a graphical user interface. Demo: https://huggingface.co/spaces/seanpedrickcase/document_redaction or with try with VLMs: https://huggingface.co/spaces/seanpedrickcase/document_redaction_vlm

agent-aegis

LLM guardrails & prompt injection detection for Python. Auto-instruments LangChain, CrewAI, OpenAI, LiteLLM + 8 more frameworks. PII masking, toxicity detection, policy CI/CD. One line, zero code changes.

pii-codex

A research python package for detecting, categorizing, and assessing the severity of personal identifiable information (PII)

allyanonimiser

Australian-focused PII detection and anonymization for the insurance industry — fast, regex+spaCy, no GPU

agentmesh-proxy

The governance plane for AI agents — policy, budget, and audit across every framework. Istio for AI agents.

vipii

Detect Vietnamese PII

guardrailmesh

One enforcement layer for all your LLM guardrails. Drop in NeMo, Presidio, Lakera, OpenAI Moderation, Azure Content Safety, AWS Bedrock, LlamaFirewall, or LLM Guard — swap backends without touching your app code. Async-native. Covers OWASP LLM Top 10 attack categories.

forcefield

ForceField Python SDK -- AI security in 3 lines of code. Prompt injection detection, PII redaction, security evals, tool governance. GitHub Action, pre-commit hook, Homebrew, VS Code extension.

veritensor

The Anti-Virus for AI Artifacts & RAG Firewall. A static analysis tool scanning Models and Notebooks for RCE, Datasets and RAG docs for Data Poisoning, PII, and Prompt Injections. Secure your AI Supply Chain.

studiomeyer-aishield

Python LLM security middleware: prompt-injection, PII, tool-policy, cost-budget, audit. Port of ai-shield-core (TS).

vllm-sr-sim

System Level Intelligent Router for Mixture-of-Models at Cloud, Data Center and Edge