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 45 pii redaction tools tracked. 1 score above 50 (established tier). The highest-rated is cxumol/promptmask at 52/100 with 94 stars. 1 of the top 10 are actively maintained.

Get all 45 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...	52	Established	94	Python
2	sgasser/pasteguard AI gets the context. Not your secrets. Open-source privacy proxy for LLMs.	47	Emerging	546	TypeScript
3	AgenticA5/A5-PII-Anonymizer Desktop App with Built-In LLM for Removing Personal Identifiable Information...	45	Emerging	50	JavaScript
4	QWED-AI/qwed-verification Deterministic verification layer for LLMs \| AI hallucination detection \|...	43	Emerging	47	Python
5	rpgeeganage/pII-guard 🛡️ PII Guard is an LLM-powered tool that detects and manages Personally...	43	Emerging	97	TypeScript
6	subodhkc/llmverify-npm AI model health monitor for LLM apps – runtime checks for drift,...	43	Emerging	3	TypeScript
7	vissnia/piast-gate Open-source gateway for anonymizing sensitive data before sending to LLM APIs	39	Emerging	7	Python
8	kiku-jw/masker Masker - PII Redaction API for LLMs. Remove personal data before sending to...	38	Emerging	4	Python
9	Governs-AI/pii-guard PII detection layer for ChatGPT, Claude, and Gemini By @GovernsAI	38	Emerging	1	JavaScript
10	aliengiraffe/deidentify Simple yet powerful tool for identifying and anonymizing personal...	36	Emerging	30	Go
11	mintesnot-teshome/llm-verify Detect fake AI APIs — Verify if an LLM API is actually serving the model it...	35	Emerging	2	Python
12	oxideshield/oxideshield High-performance LLM security guards in Rust. Protect AI applications from...	34	Emerging	1	Rust
13	MAYA-DATA-PRIVACY/Veil Real-time PII detection and redaction for AI chat interfaces.	34	Emerging	1	JavaScript
14	abhishekk962/redact R.E.D.A.C.T (Restricting Exposed Data by Anonymization for Confidential...	33	Emerging	6	JavaScript
15	alexwhin/redactum ⛨ redactum — automated PII & secret redaction for AI, APIs, and developer...	29	Experimental	3	TypeScript
16	jcatama/markdown-redactor Rule-based PII and secret redaction for Markdown documents — audit log,...	27	Experimental	3	Python
17	DataFog/datafog Policy-first API and policy gate for AI/CLI workflows: detect sensitive...	27	Experimental	1	Go
18	bahaeddinmselmi/sovereignguard Open source AI privacy gateway for GDPR-compliant LLM adoption in EMEA	25	Experimental	8	Python
19	Trirua93737/phi-redactor Redact protected health information by automatically detecting and masking...	25	Experimental	1	Python
20	RPBLC-hq/RPBLC.DAM The PII firewall for AI agents.	25	Experimental	7	Rust
21	cloakllm/CloakLLM Open-source PII cloaking + tamper-evident audit logs for LLM API calls	25	Experimental	7	—
22	syd-ppt/pramana-api Open-source LLM drift detection — track model output consistency over time...	25	Experimental	1	TypeScript
23	OxiHub/veil 🔐 End-to-end encryption for LLM inference. The Signal protocol, applied to...	24	Experimental	2	Rust
24	gacabartosz/presidio-local-anonymizer Real-time text anonymization for ChatGPT, Claude AI, and Perplexity using...	24	Experimental	12	HTML
25	veil-services/veil-go The sensitive data firewall for AI. Detect and mask PII (Emails, Credit...	23	Experimental	8	Go
26	wkeything/shroud Privacy obfuscation plugin for OpenClaw — detects PII and replaces with...	23	Experimental	1	TypeScript
27	Macptoo/pasteguard 🔒 Protects your privacy by masking personal data before it reaches OpenAI or...	22	Experimental	—	TypeScript
28	cloakllm/CloakLLM-JS Node.js SDK — PII cloaking middleware for LLM calls (OpenAI + Vercel AI SDK)	22	Experimental	—	JavaScript
29	OxideOps/airlock Local-first PII redaction and token compression for AI pipelines. Scrub...	22	Experimental	—	Rust
30	fboerncke/local-pseudonymization-core Open infrastructure for local, reversible pseudonymization in AI and LLM workflows.	22	Experimental	—	—
31	BLGardner/aiq-x Privacy-first AI model testing - no API keys required	22	Experimental	1	HTML
32	OviFrn/llmverify-npm 🛡️ Verify AI outputs with llmverify for Node.js, ensuring safety and...	21	Experimental	—	TypeScript
33	flo668/ai-safe-document-anonymizer 🛡️ Anonymize documents securely using this server-side tool, supporting...	21	Experimental	—	Python
34	emorilebo/redact-ai-stream A lightweight Node.js library designed to secure your AI applications by...	21	Experimental	1	JavaScript
35	nmcroi/ai-safe-document-anonymizer Safely share sensitive documents with AI - Anonymize personal info (emails,...	21	Experimental	—	Python
36	Mai8304/model-fingerprint Verify model identity and detect downgrades or swaps through fingerprint comparison.	20	Experimental	5	Python
37	pleniv01/quieter.ai Open-source, self-hosted privacy layer for GPT-style applications,...	20	Experimental	1	Vue
38	d-barletta/StreamGuard Rust Deterministic Streaming Guardian prevents LLM leaks	20	Experimental	1	Rust
39	nrednav/pi-redactor Pi extension that redacts sensitive strings from messages before the LLM...	19	Experimental	—	TypeScript
40	myrkis-br/psa-privacy-shield-agent-for-ai PSA - Privacy Shield Agent For Claude	19	Experimental	—	Python
41	a730/NAR Network Alarm Respons (NAR) - A Smoke Alarm for Your Network	18	Experimental	1	JavaScript
42	wrannaman/redact-pii-python Zero-dependency, blazing-fast regex-based PII redaction with optional...	17	Experimental	—	Python
43	T-Mohamed-Shafeek/piipit piipit is a Hybrid PII Detection and Management Full-Stack Web Application...	17	Experimental	1	—
44	itsliamdowd/Redact Leverage the benefits of large language models without leaking sensitive information.	15	Experimental	26	HTML
45	kakashi131221/exahia Deliver open-source AI models hosted on French hardware with native GDPR...	14	Experimental	—	—

Comparisons in this category

redact and redactum (33 vs 29) pii-guard and Veil (38 vs 34)