# Ultimate Privacy Guard

> Stealth extension with advanced anti-detection and full browser fingerprint spoofing for maximum privacy and anonymity on Waterfox.

Canonical page: [https://chrome-stats.com/d/ultimate-privacy-guard](https://chrome-stats.com/d/ultimate-privacy-guard)

## Overview

- **ID:** `ultimate-privacy-guard`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** agung wiacksowno
- **Category:** web-development,privacy-security,tabs
- **Daily users:** 1
- **Version:** 3.0
- **Last updated:** 2025-07-28
- **First published:** 2025-07-25
- **Size:** 8.60 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ultimate-privacy-guard/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/ultimate-privacy-guard/privacy/](https://addons.mozilla.org/firefox/addon/ultimate-privacy-guard/privacy/)

## Description

Ultimate Privacy Guard is an advanced privacy extension designed for stealth users. It includes:
<ul><li>Full browser fingerprint spoofing (Canvas, WebGL, Audio, ClientRects, Fonts, Screen, Timezone, User-Agent, etc.)</li><li>Automatic blocking of tracking scripts and invisible elements</li><li>Audio and video device spoofing to prevent hardware leaks</li><li>Randomized session-based identity generation</li><li>Custom timezone selector (with persistent spoofing)</li></ul>
Built for users who need anonymity, anti-bot detection, and fingerprint resistance on Waterfox.

<em>This extension is fully automatic and does not require manual toggling.</em>

## Rankings

- #102,112 — Overall
- #190 — privacy
- #210 — data privacy

## Permissions and access

### Permissions

- `<all_urls>`
- `webRequest`
- `webRequestBlocking`
- `tabs`
- `storage`

### Content script matches

- `<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).

## Similar extensions and apps

- [Fingerprint Defender](https://chrome-stats.com/d/fingerprint-defender) — 552 users, 4.33 / 5
- [Spoofer StealthGuard](https://chrome-stats.com/d/spoofer-stealthguard) — 3 users
- [Tracker Spoof Shield](https://chrome-stats.com/d/tracker-spoof-shield) — 15 users
- [Anti-Track](https://chrome-stats.com/d/anti-track) — 19 users
- [Simple UserAgent Spoofing](https://chrome-stats.com/d/simple-useragent-spoofing) — 1 users
- [Standard User Agent](https://chrome-stats.com/d/standard-ua) — 1 users
- [Privacy Shield](https://chrome-stats.com/d/privacy-shield-ext) — 23 users, 5.00 / 5
- [Privacy Guardian Plus](https://chrome-stats.com/d/privacy-guardian-plus) — 1 users
- [CthulhuJs (Anti-Fingerprint)](https://chrome-stats.com/d/cthulhujs-anti-fingerprint) — 21 users, 5.00 / 5
- [PeyTy's Browser Privacy](https://chrome-stats.com/d/peyty-s-browser-privacy) — 2 users, 3.00 / 5
- [My Fingerprint - Deprecated](https://chrome-stats.com/d/my-fingerprint0) — 12 users
- [Vallanx Privacy Shield](https://chrome-stats.com/d/vallanx-privacy-shield) — 2 users

---

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