Truman Firefox

Truman

By: Truman
Truman Grade is the easiest way to detect harmful websites.

Features & Capabilities

What is Truman Grade?

Truman Grade knows the websites that put your privacy, safety, and money at risk. It checks for threats across the web as you surf, helping you keep you safe and informed.

How does it work?

Using machine learning algorithms, Truman Grade works by scanning websites in real-time for elements of risk, safety, privacy and credibility and then grading the issues we find. Here’s a quick look at these sections:

Risk—Is the site safe for you visit? That is the question that Truman Grade asks every time it sees a new website. Grade checks in real-time for malware, phishing, blacklist, and high spam risks that could put you in danger.

Security—Does a website protect you? Grade looks at the encryption measures and network configurations to help you know if it’s a safe place to share money and personal information.

Privacy—Does a website respect your data? Truman Grade is the first app in the world to use a machine learning algorithm to breakdown privacy policies into an easy-to-consume summary. We empower you with data so that you can make quick decisions about sharing your information.

Visibility—Is this a visible website? An empty restaurant with no one at the cash register is often a tell tale sign that you might want to eat somewhere else. The same is true of websites, but the signs are different. Truman Grade checks for signs of credibility and lets you know if other visitors and search engines trust a given site.

Where does it work?

Truman Grade works on almost any public-facing websites, such as .com, .net, .org, .io and most country tlds.

What are the smart alerts?

Smart alerts are pop-ups that bring attention to potentially high-risk issues that could bring threats your way. Examples of some of these notifications are:

Brand new website Insecure form field

User Growth & Download Statistics

Manifest V2 Add-on
By:
Truman
Daily users:
-
Version:
0.2.3resigned1 Last updated: 2024-04-25
Version code:
5726576
Creation date:
2015-11-06
Risk:
Very high risk impact Moderate risk likelihood
Permissions:
Content scripts matches:
  • <all_urls>
Size:
1.24MB
URLs:
Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-07-08
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Truman
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/trumanapp/

Is Truman Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Truman requires a lot of sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Truman is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
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