# μuU (untrack URLs)

> Removes tracking parameters and bypasses tracking redirections at some sites

Canonical page: [https://chrome-stats.com/d/%CE%BCuu](https://chrome-stats.com/d/%CE%BCuu)

## Overview

- **ID:** `μuu`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Lyubomyr Shaydariv
- **Category:** privacy-security
- **Daily users:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 0.0.51
- **Last updated:** 2026-09-06
- **First published:** 2023-11-23
- **Size:** 109 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/%CE%BCuu/)
- **Website:** [https://github.com/lyubomyr-shaydariv/uu-webext/tree/master.fx.android](https://github.com/lyubomyr-shaydariv/uu-webext/tree/master.fx.android)

## Description

<em><strong>EARLY EXPERIMENTAL STAGE NOTE</strong></em>
<em>⚠️ Currently there is no way to opt-out sanitizing URLs (either all-opt-in by enabling the extension, or all-opt-out by disabling the extension)</em>
<em>⚠️ *.mozilla.org is unsupported due to Mozilla Firefox restrictions</em>

<strong>μuU</strong> is a browser extension that sanitizes tracked URLs and bypasses tracked redirects for the following services (if possible). For the complete list of untracked URLs please refer <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/68fb8fb92f288a77feb2f8c1c646d893782a95c4aecaf7bc0d2790f7d86467c2/https%3A//github.com/lyubomyr-shaydariv/uu-webext/blob/master.fx-android/README.md" rel="nofollow">https://github.com/lyubomyr-shaydariv/uu-webext/blob/master.fx-android/README.md</a>

## Rankings

- #78,973 — Overall

## Permissions and access

### Permissions

- `<all_urls>`
- `bookmarks`
- `webRequest`
- `webRequestBlocking`

## 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 was recently updated in the past month. New updates 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/%CE%BCuu)