# ExtenTET

> A browser extension that wants to raise awareness for the risks of browser extensions.

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

## Overview

- **ID:** `extentet`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Sascha
- **Category:** privacy-security
- **Daily users:** 1
- **Version:** 0.4.6
- **Last updated:** 2024-02-28
- **First published:** 2024-01-15
- **Size:** 9.18 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/extentet/)

## Description

When you enable data collection, ExtenTET collects data that is typically collected by popular browser extension like Honey or Klarna. You can view this data in the collected data tab.
The goal is to show you what extensions can learn about you, so that you can consider the privacy risk next time you think about installing an extension.

## Rankings

- #113,888 — Overall

## Permissions and access

### Permissions

- `storage`
- `unlimitedStorage`
- `webRequest`
- `activeTab`
- `scripting`
- `geolocation`
- `clipboardRead`
- `cookies`

### Host permissions

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/extentet)