# CookieViz

> Cookieviz 2: observe hidden web practices

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

## Overview

- **ID:** `cookieviz`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Linc
- **Category:** privacy-security
- **Daily users:** 223
- **Weekly downloads:** 1
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 1.6
- **Last updated:** 2022-06-24
- **First published:** 2022-06-23
- **Size:** 900 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cookieviz/)
- **Website:** [https://linc.cnil.fr/fr/cookieviz-2-new-features-observe-hidden-web-practices](https://linc.cnil.fr/fr/cookieviz-2-new-features-observe-hidden-web-practices)

## Description

CookieViz is a Firefox add-on developed by the linc since 2013. It allows users to visualize and measure the impact of cookies and other trackers during their browsing. With CookieViz, you can observe hidden web practices and understand the tracing that can potentially take place.

## Rankings

- #7,811 — Overall
- #204 — cool

## Permissions and access

### Permissions

- `browsingData`
- `cookies`
- `activeTab`
- `webRequest`
- `storage`
- `<all_urls>`
- `tabs`

## 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/cookieviz)