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User.js

Removes Mozilla spyware from Firefox and makes Firefox more secure

Install / Use

/learn @hnhx/User.js
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

<h1 align="center">hnhx/user.js</h1> <p align="center">Removes Mozilla spyware from Firefox and makes Firefox more secure</p> <br>

About this user.js

This user.js aims at disabling all Firefox telemetry (spyware), it also hardens the browser, installs uBlock Origin and replaces the spyware search engines with privacy respecting ones.

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Can't I just disable telemetry in the settings?

Just simply disabling telemetry in the settings is not enough anymore, Firefox will still make multiple connections to Mozilla, Google and other servers, some of these connections even persist as long as Firefox is open.

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How to use (GNU/Linux)

WARNING: This will remove everything from your default profile.

git clone https://github.com/hnhx/user.js
cd user.js
./install.sh

Optionally you can remove the default plugins that can violate your privacy

sudo rm /usr/lib64/firefox/browser/features/*
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Is this any better than arkenfox?

<p align="center"> <img src="./screenshot.png" width="400"> <img src="./screenshot_arkenfox.png" width="400"> </p>

Arkenfox improves on the situation however as you can see on the image Firefox still makes multiple connection to Google and other servers (the firefox related connections are in the red area). <br><br> You can replicate the results with the iftop tool.

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Donate ❤️

If you like my projects please consider donating!

Bitcoin (BTC): bc1qs43kh6tvhch02dtsp7x7hcrwj8fwe4rzy7lp0h <br> Monero (XMR): 41dGQr9EwZBfYBY3fibTtJZYfssfRuzJZDSVDeneoVcgckehK3BiLxAV4FvEVJiVqdiW996zvMxhFB8G8ot9nBFqQ84VkuC

View on GitHub
GitHub Stars50
CategoryDevelopment
Updated2mo ago
Forks3

Languages

JavaScript

Security Score

100/100

Audited on Jan 11, 2026

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