user.js

user.js

Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

github Security JavaScript free
★ 12,488Stars
557Forks
12,488Watchers
0Views
Apr 2026Last Update

About user.js

Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening

What you should know about user.js

user.js — Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening. It is categorized under Security and primarily built with JavaScript. The project has gathered 12,488 stars and 557 forks on GitHub, indicating strong adoption among developers.

Pricing & licensing: This tool is offered free of charge , released under the MIT license. The source code is openly available on GitHub, allowing engineers to audit, contribute, or fork as needed.

Use cases & topics: user.js is associated with the following topics: anti-fingerprinting, anti-tracking, arkenfox, firefox, mozilla, privacy, security, settings. Teams working in anti-fingerprinting / anti-tracking / arkenfox spaces typically evaluate this kind of tool when scoping new architecture decisions or replacing legacy components.

Getting started: Check out the official GitHub repository for installation steps, configuration examples, and the latest release notes. Most teams hit value within the first week if the tool aligns with their existing Security stack.

Editor's note from Fanny Engriana (Founder, Wardigi Digital Agency): when evaluating tools in the Security category for our agency clients, we look at three things first — license clarity, community size, and active maintenance. Tools with explicit license terms and ongoing commits tend to remain viable across multi-year projects.

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