# Leak Detector

> An add-on that detects and warns you against personal data exfiltration

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

## Overview

- **ID:** `leak-detector`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** .Lab
- **Category:** web-development,privacy-security,social-communication
- **Daily users:** 2
- **Weekly downloads:** 1
- **Version:** 1.0.1
- **Last updated:** 2025-12-16
- **First published:** 2025-12-07
- **Size:** 808 KB
- **Data as of:** 2026-09-18
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/leak-detector/)
- **Website:** [https://carlostkd.ch/leak](https://carlostkd.ch/leak)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/leak-detector/privacy/](https://addons.mozilla.org/firefox/addon/leak-detector/privacy/)

## Description

This Addon is a POC of concept to show you how malicious websites can get what you write in the forms even if you dont submit it.

## Rankings

- #67,148 — Overall
- #164 — detect

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `webNavigation`
- `activeTab`
- `tabs`
- `storage`
- `wss://*/`
- `*://*/*`

### Content script matches

- `*`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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/leak-detector)