100% Client-Side Processing

Privacy-First
CSV Anonymization

Protect sensitive data with advanced anonymization techniques. All processing happens in your browser - your data never leaves your device.

100%
Client-Side
0
Server Uploads
2
Privacy Models

Powerful Features

Enterprise-grade privacy protection in your browser

K-Anonymity

Ensure each record is indistinguishable from at least k-1 others

L-Diversity

Protect against attribute disclosure with diverse sensitive values

Privacy Validation

Automatic verification of privacy guarantees with detailed failure analysis

Smart Profiling

Automatic detection of PII patterns and column types

Generalization

Intelligent data generalization with minimal information loss

Risk Metrics

Comprehensive privacy and utility metrics for informed decisions

How It Works

Complete privacy protection without server uploads

1

Upload

Your CSV is parsed entirely in your browser's memory using PapaParse

2

Profile

Automatic analysis of column types, distributions, and PII patterns

3

Classify

Tag columns as identifiers, quasi-identifiers, or sensitive attributes

4

Risk Analysis

Evaluate re-identification risks and receive personalized parameter recommendations

5

Configure

Select privacy model (k-anonymity or l-diversity) with recommended parameters based on risk analysis

6

Process

Anonymization algorithms run locally on your device with secure randomization

7

Download

The anonymized file is generated and downloaded directly from your browser

Technical Security

Your data never leaves your computer

No Server Uploads

Files never leave your computer. All processing happens locally in your browser.

Memory-Only Processing

Data is not written to disk during processing. Everything stays in RAM.

Secure Randomization

Uses cryptographically secure random number generation (crypto.getRandomValues).

No External Dependencies

All anonymization logic runs locally with minimal external libraries.

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