# PseudoShield

> Pseudonymise les donnees personnelles (noms, NISS, IBAN, emails, tel) avant collage dans les IA. 100% local, zero reseau. RGPD Art. 4(5).

Canonical page: [https://chrome-stats.com/d/pseudoshield](https://chrome-stats.com/d/pseudoshield)

## Overview

- **ID:** `pseudoshield`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Lawgitech
- **Category:** privacy-security
- **Daily users:** 4
- **Weekly downloads:** 1
- **Version:** 2.1.0
- **Last updated:** 2026-06-16
- **First published:** 2026-02-26
- **Size:** 88 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pseudoshield/)
- **Website:** [https://github.com/MaitreJV/pseudoshield/issues](https://github.com/MaitreJV/pseudoshield/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/pseudoshield/privacy/](https://addons.mozilla.org/firefox/addon/pseudoshield/privacy/)

## Description

PseudoShield intercepte le collage (Ctrl+V) sur les plateformes IA et remplace automatiquement les donnees personnelles par des pseudonymes deterministes (SHA-256) avant insertion dans le chat.

<strong>35 patterns de detection</strong> : noms propres (4 strategies), NISS belge, IBAN (7 pays), TVA, BCE, INAMI, emails, telephones, adresses, cartes bancaires, IP, coordonnees GPS, handles sociaux.

<strong>Validation mathematique</strong> : Modulo 97 (NISS/IBAN/INAMI), algorithme de Luhn (cartes), ISO 13616.

<strong>Plateformes supportees</strong> : <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/cf6f55cbba6731f7030d49478c86cb1b6c503e9ea8cb3f1a019bd0e646726ebe/http%3A//Claude.ai" rel="nofollow">Claude.ai</a>, ChatGPT, DeepSeek, Gemini, Copilot, Perplexity.

<strong>Conformite RGPD</strong> :
- Pseudonymisation au sens de l'Art. 4(5) — les donnees restent personnelles
- Journal d'audit Art. 30 (export CSV/JSON)
- Categorisation Art. 4 (donnees personnelles) / Art. 9 (donnees sensibles)
- Table de correspondance consultable

<strong>Vie privee</strong> :
- Aucune donnee transmise a un serveur
- Aucun compte requis
- Aucune telemetrie
- Traitement 100% local via Web Crypto API

## Rankings

- #48,305 — Overall
- #78 — ia

## Permissions and access

### Permissions

- `storage`
- `alarms`
- `scripting`

### Content script matches

- `claude.ai`
- `chatgpt.com`
- `chat.deepseek.com`
- `gemini.google.com`
- `copilot.microsoft.com`
- `www.perplexity.ai`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: claude.ai, chatgpt.com, deepseek.com, google.com, microsoft.com, perplexity.ai
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/pseudoshield)