PII Redaction Tools

Tools for detecting, redacting, and anonymizing personally identifiable information (PII) before data reaches LLMs or external APIs. Includes real-time scrubbing, obfuscation, and privacy-preserving middleware. Does NOT include end-to-end encryption, general data privacy platforms, or access control systems without active redaction.

There are 49 pii redaction tools tracked. 1 score above 50 (established tier). The highest-rated is cxumol/promptmask at 50/100 with 94 stars and 34 monthly downloads. 1 of the top 10 are actively maintained.

Get all 49 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=llm-tools&subcategory=pii-redaction-tools&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Tool	Score	Tier	Stars	Language
1	cxumol/promptmask Never give AI companies your secrets! A local LLM-based privacy filter for...	50	Established	94	Python
2	sgasser/pasteguard AI gets the context. Not your secrets. Open-source privacy proxy for LLMs.	46	Emerging	546	TypeScript
3	QWED-AI/qwed-verification Deterministic verification layer for LLMs \| AI hallucination detection \|...	42	Emerging	47	Python
4	AgenticA5/A5-PII-Anonymizer Desktop App with Built-In LLM for Removing Personal Identifiable Information...	42	Emerging	50	JavaScript
5	subodhkc/llmverify-npm AI model health monitor for LLM apps – runtime checks for drift,...	39	Emerging	3	TypeScript
6	kiku-jw/masker Masker - PII Redaction API for LLMs. Remove personal data before sending to...	37	Emerging	4	Python
7	rpgeeganage/pII-guard 🛡️ PII Guard is an LLM-powered tool that detects and manages Personally...	36	Emerging	97	TypeScript
8	vissnia/piast-gate Open-source gateway for anonymizing sensitive data before sending to LLM APIs	35	Emerging	7	Python
9	Governs-AI/pii-guard PII detection layer for ChatGPT, Claude, and Gemini By @GovernsAI	35	Emerging	1	JavaScript
10	MAYA-DATA-PRIVACY/Veil Real-time PII detection and redaction for AI chat interfaces.	35	Emerging	1	JavaScript
11	posterity-ventures/Gatekeeper Gatekeeper is a self-hosted execution gate for AI agents. Agents are...	35	Emerging	3	Go
12	mintesnot-teshome/llm-verify Detect fake AI APIs — Verify if an LLM API is actually serving the model it...	33	Emerging	2	Python
13	oxideshield/oxideshield High-performance LLM security guards in Rust. Protect AI applications from...	32	Emerging	1	Rust
14	aliengiraffe/deidentify Simple yet powerful tool for identifying and anonymizing personal...	30	Emerging	30	Go
15	abhishekk962/redact R.E.D.A.C.T (Restricting Exposed Data by Anonymization for Confidential...	26	Experimental	6	JavaScript
16	cloakllm/CloakLLM Open-source PII cloaking + tamper-evident audit logs for LLM API calls	26	Experimental	7	—
17	bahaeddinmselmi/sovereignguard Open source AI privacy gateway for GDPR-compliant LLM adoption in EMEA	26	Experimental	8	Python
18	jcatama/markdown-redactor Rule-based PII and secret redaction for Markdown documents — audit log,...	25	Experimental	3	Python
19	OxiHub/veil 🔐 End-to-end encryption for LLM inference. The Signal protocol, applied to...	24	Experimental	2	Rust
20	wkeything/shroud Privacy obfuscation plugin for OpenClaw — detects PII and replaces with...	23	Experimental	1	TypeScript
21	syd-ppt/pramana-api Open-source LLM drift detection — track model output consistency over time...	23	Experimental	1	TypeScript
22	RPBLC-hq/RPBLC.DAM The PII firewall for AI agents.	23	Experimental	7	Rust
23	Trirua93737/phi-redactor Redact protected health information by automatically detecting and masking...	23	Experimental	1	Python
24	diegosantdev/Promptinel Monitor LLM prompt behavior and detect drift before users notice.	23	Experimental	1	JavaScript
25	alexwhin/redactum ⛨ redactum — automated PII & secret redaction for AI, APIs, and developer...	23	Experimental	3	TypeScript
26	OviFrn/llmverify-npm 🛡️ Verify AI outputs with llmverify for Node.js, ensuring safety and...	22	Experimental	—	TypeScript
27	cloakllm/CloakLLM-JS Node.js SDK — PII cloaking middleware for LLM calls (OpenAI + Vercel AI SDK)	22	Experimental	—	JavaScript
28	OxideOps/airlock Local-first PII redaction and token compression for AI pipelines. Scrub...	22	Experimental	—	Rust
29	fboerncke/local-pseudonymization-core Open infrastructure for local, reversible pseudonymization in AI and LLM workflows.	22	Experimental	—	—
30	flo668/ai-safe-document-anonymizer 🛡️ Anonymize documents securely using this server-side tool, supporting...	22	Experimental	—	Python
31	myrkis-br/psa-privacy-shield-agent-for-ai PSA - Privacy Shield Agent For Claude	22	Experimental	—	Python
32	nrednav/pi-redactor Pi extension that redacts sensitive strings from messages before the LLM...	22	Experimental	—	TypeScript
33	Macptoo/pasteguard 🔒 Protects your privacy by masking personal data before it reaches OpenAI or...	22	Experimental	—	TypeScript
34	DataFog/datafog Policy-first API and policy gate for AI/CLI workflows: detect sensitive...	20	Experimental	1	Go
35	pleniv01/quieter.ai Open-source, self-hosted privacy layer for GPT-style applications,...	20	Experimental	1	Vue
36	BLGardner/aiq-x Privacy-first AI model testing - no API keys required	20	Experimental	1	HTML
37	defi-hub/MIS Runtime Security & Alignment Layer for Autonomous AI Agents. eBPF-based...	20	Experimental	1	Rust
38	gacabartosz/presidio-local-anonymizer Real-time text anonymization for ChatGPT, Claude AI, and Perplexity using...	20	Experimental	12	HTML
39	nmcroi/ai-safe-document-anonymizer Safely share sensitive documents with AI - Anonymize personal info (emails,...	19	Experimental	—	Python
40	veil-services/veil-go The sensitive data firewall for AI. Detect and mask PII (Emails, Credit...	19	Experimental	8	Go
41	emorilebo/redact-ai-stream A lightweight Node.js library designed to secure your AI applications by...	18	Experimental	1	JavaScript
42	Mai8304/model-fingerprint Verify model identity and detect downgrades or swaps through fingerprint comparison.	18	Experimental	5	Python
43	d-barletta/StreamGuard Rust Deterministic Streaming Guardian prevents LLM leaks	16	Experimental	1	Rust
44	wrannaman/redact-pii-python Zero-dependency, blazing-fast regex-based PII redaction with optional...	15	Experimental	—	Python
45	kakashi131221/exahia Deliver open-source AI models hosted on French hardware with native GDPR...	14	Experimental	—	—
46	acheemala/threat-hunter Autonomous threat hunting CLI in Rust — filesystem IOC scanning, live...	14	Experimental	—	Rust
47	a730/NAR Network Alarm Respons (NAR) - A Smoke Alarm for Your Network	12	Experimental	1	JavaScript
48	Bram-code/LLM-anonymization This repository provides utilities for anonymizing, pseudonymizing, and...	11	Experimental	2	Jupyter Notebook
49	T-Mohamed-Shafeek/piipit piipit is a Hybrid PII Detection and Management Full-Stack Web Application...	10	Experimental	1	—

Comparisons in this category

pii-guard and Veil (35 vs 35)