# OnionTree Sentinel

> OnionTree Sentinel is a privacy oriented, anti-phishing add-on for Tor Browser that protects you from bad .onion sites.

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

## Overview

- **ID:** `oniontree-sentinel`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Onion Ltd
- **Category:** privacy-security,alerts-updates
- **Version:** 1.1
- **Last updated:** 2020-02-25
- **First published:** 2020-02-18
- **Size:** 34 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/oniontree-sentinel/)
- **Website:** [https://github.com/onionltd/oniontree-sentinel](https://github.com/onionltd/oniontree-sentinel)

## Description

OnionTree Sentinel is a privacy-oriented, anti-phishing add-on for Tor Browser that protects you from bad .onion sites. Enhance your browsing privacy and security with this powerful add-on designed to keep you safe from online threats.

## Rankings

- #141,563 — Overall

## Permissions and access

### Permissions

- `tabs`
- `storage`

## Safety

- **Risk impact:** Moderate 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/oniontree-sentinel)