# Truman

> Truman Grade is the easiest way to detect harmful websites.

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

## Overview

- **ID:** `trumanapp`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Truman
- **Category:** privacy-security,search-tools
- **Version:** 0.2.3resigned1
- **Last updated:** 2024-04-25
- **First published:** 2015-11-06
- **Size:** 1.24 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/trumanapp/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/trumanapp/privacy/](https://addons.mozilla.org/firefox/addon/trumanapp/privacy/)

## Description

Truman is an easy-to-use Firefox add-on that scans websites in real-time to detect harmful elements. With machine learning algorithms, it grades websites for risk, security, privacy, and credibility. Stay safe and informed while browsing with Truman Grade.

## Rankings

- #144,893 — Overall

## Permissions and access

### Permissions

- `tabs`
- `management`
- `background`
- `alarms`
- `notifications`
- `http://*/*`
- `https://*/*`
- `*://use.typekit.net/*`
- `webRequest`
- `webRequestBlocking`
- `http://*.facebook.com/*`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Very high 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/trumanapp)