PII Detection Redaction NLP Tools

Tools for detecting, masking, and redacting personally identifiable information (PII) in text, images, and documents. Does NOT include privacy policy analysis, general data anonymization frameworks, or data leak detection platforms.

There are 41 pii detection redaction tools tracked. 2 score above 50 (established tier). The highest-rated is DataFog/datafog-python at 66/100 with 48 stars and 28,287 monthly downloads.

Get all 41 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=nlp&subcategory=pii-detection-redaction&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	DataFog/datafog-python Python SDK for PII detection and redaction in text and images, combining...	66	Established	48	Python
2	vmenger/deduce Deduce: de-identification method for Dutch medical text	64	Established	64	Python
3	martincjespersen/DaAnonymization Simple customizable pipeline tool for anonymizing Danish text.	41	Emerging	11	Python
4	aphp/eds-pseudo EDS-Pseudo is a hybrid model for detecting personally identifying entities...	41	Emerging	67	Python
5	seanpedrick-case/doc_redaction Redact PDF/image-based documents, Word, or CSV/XLSX files using a graphical...	39	Emerging	42	Python
6	DilawarShafiq/phi-redactor HIPAA-native PHI redaction proxy for AI/LLM interactions. Detects and masks...	37	Emerging	3	Python
7	thoughtbot/top_secret Filter sensitive information from free text before sending it to external...	37	Emerging	327	Ruby
8	dimanjet/piicloak Enterprise-grade PII detection and anonymization REST API built on Presidio	35	Emerging	4	Python
9	SMI/IsIdentifiable A tool for detecting identifiable information in data sources (CSV, DICOM,...	34	Emerging	14	C#
10	icescentral/MASK_public Masking identifiable information from health related documents.	32	Emerging	21	Python
11	edwardcooper/data-sentry A project to build a machine learning pipeline to detect personal...	32	Emerging	16	Jupyter Notebook
12	ahmedbesbes/anonymization-api How to build and deploy an anonymization API with FastAPI and SpaCy	30	Emerging	71	Python
13	databricks-industry-solutions/ocr-phi-masking Our joint Solution Accelerator with John Snow Labs automates the detection...	29	Experimental	7	Python
14	jftuga/deidentification Deidentify people's names and gender specific pronouns	29	Experimental	44	Python
15	vmenger/docdeid Create your own document de-identifier using docdeid, a simple framework...	28	Experimental	3	Python
16	Welding-Torch/Excel-Anonymizer A Python script that anonymizes an Excel file and synthesizes new data in its place.	28	Experimental	84	Python
17	HC200ok/manual-data-masking A lightweight javascript library for manual data masking	28	Experimental	21	JavaScript
18	awsaf49/pii-data-detection The Learning Agency Lab - PII Data Detection \|\| Develop automated techniques...	26	Experimental	6	Jupyter Notebook
19	zacharykzhao/CA4P-483 NLP dataset: Chinese Android Privacy Policy Dataset	26	Experimental	23	HTML
20	worka-ai/pii A library to identify and help redact Personally Identifiable Information...	26	Experimental	3	Rust
21	ahmedbesbes/anonymizer Text Anonymization app with Streamlit and Spacy	25	Experimental	25	Python
22	OmkarPathak/piiscrub A blazing-fast, zero-dependency PII scrubbing engine for LLMs. Multi-core...	25	Experimental	3	Python
23	swissprismia/pii-shield System-wide PII & secret detection for your clipboard. Tokenizes sensitive...	24	Experimental	2	Rust
24	marichu-kt/PrivScore Extensión de navegador (Chrome/Brave/Edge) que evalúa la “salud” de...	23	Experimental	6	JavaScript
25	sagarcs818/Trustify-privacy-analyzer An AI-powered privacy analyzer for apps and websites. Most users blindly...	22	Experimental	—	HTML
26	iYassr/maskr Detect & mask PII in documents - 100% offline. Names, emails, phones, SSNs,...	19	Experimental	5	TypeScript
27	hsleonis/pii-detection-group Research Group works on PII Detection	17	Experimental	2	Python
28	AbhilashaRavichander/PrivacyQA_EMNLP PrivacyQA, a resource to support question-answering over privacy policies.	17	Experimental	47	—
29	PriyeshDave/Document-Redaction This project revolves around the ability to recognise sensitive words within...	16	Experimental	4	Python
30	sdsc-ordes/deid-module Text deidentification module.	15	Experimental	—	Nix
31	spak2005/AI_privacy_layer A stateless LLM API proxy that tokenizes PII using parallel regex + NER...	15	Experimental	—	Shell
32	0xjgv/inconnu Data privacy tool, for fast & thorough anonymization/pseudonymization, easy...	15	Experimental	—	Python
33	biagiocornacchia/microsoft-presidio-using-grpc Implementation of a Distributed Personal Information Recognition System that...	13	Experimental	7	Python
34	SwissFederalArchives/tcc-metadata-anonymization An named-entity-recognition (NER) based anonymizer for archival documents metadata.	13	Experimental	6	Jupyter Notebook
35	nedap/mdpi2021-textgen Source code for the paper "Generating Synthetic Training Data for Supervised...	13	Experimental	6	Python
36	F2u0a0d3/TrustRead Analyze any privacy policy with AI—see risks, data use, rights, and a 0–100...	12	Experimental	1	HTML
37	sonu-gupta/Doxing-on-Twitter This repository contains my work on the prevention and anonymization of dox...	12	Experimental	3	Jupyter Notebook
38	crisp-du/ppevo Evolution of Privacy Policies	11	Experimental	2	Jupyter Notebook
39	gattil/realtime-anonymisation-phiidata Near real-time identification and redaction of PII and PHI in data stream...	11	Experimental	—	HCL
40	Th3Tr00p3r/PrivacyPolicy PPA breaks down privacy policies, aiming to simplify their understanding. By...	10	Experimental	1	Python
41	Biswas-N/Redactor Redactor is a python based utillity tool used to redact sensitive...	10	Experimental	1	Python