arkenfox/user.js
Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
⚡ Executive Summary & Quick Facts
Authoritative Sourceuser.js is user.js is an open-source project written in JavaScript: Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of October 2026), arkenfox/user.js has accumulated 12,939 GitHub stars and 557 forks. It is written in JavaScript, licensed under MIT, and ranks #1,206 globally. It is actively maintained with the latest commit recorded on Oct 31, 2026.”
| Repository | arkenfox/user.js ↗ |
|---|---|
| Primary Category | anti fingerprinting |
| Language & Stack | JavaScript |
| Software License | MIT |
| Community Traction | ★ 12.9K stars · ⑂ 557 forks · #1,206 globally |
| Maintenance | ● Active (Last commit: Oct 31, 2026) · 21 open issues |
| Target Audience | Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 100/100 · Grade A+Yes, user.js is actively maintained. Continuous telemetry recorded the last code commit on Oct 31, 2026 (1 days ago). Supported by 12,939 stars and 557 community forks, this repository holds a calculated health index of 100/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+323
STARS · LAST 30 DAYS
11
PER DAY
#111
MOST-STARRED JavaScript
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +77 | +323 | +990 |
| Per day | 11 | 11 | 11 |
| Forks gained | +3 | +11 | +28 |
user.js gained 323 stars in the last 30 days, about 11 a day, and now has 12.9K. It is about 10 years old and has averaged roughly 1.3K stars a year. It ranks #111 among JavaScript repositories and #1,206 across all languages on GitHubRepo.
Trending Record
1
DAYS ON TRENDING
#6668
BEST RANK
Oct 31, 2026
FIRST APPEARANCE
Active
STATUS TODAY
user.js has maintained a continuous presence across global trending indexes, peaking at #6668. Below is the 30-day activity profile:
💡 Overview
user.js is an open-source project written in JavaScript: Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening.
Engineered for speed, consistency, and developer ease, it solves common hurdles in anti-fingerprinting, anti-tracking, arkenfox. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in JavaScript for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ npm install user.js⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Node.js >= 18 or modern Evergreen browser
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
user.js coordinates its core functionality through a modular JavaScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed user.js into JavaScript backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open MIT license.
🚀 Getting Started
Install user.js using your package manager: `npm install user.js`
Initialize your project workspace or configuration file for user.js.
Import user.js into your codebase or invoke it directly from your terminal.
Execute your test suite or run `user.js --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
arkenfox/user.js is currently ranked #1,206 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,201 | pypa/pipx | Python | ★ 13K | Compare ↗ |
| #1,202 | blackboardsh/electrobun | TypeScript | ★ 13K | Compare ↗ |
| #1,203 | web-infra-dev/rspack | Rust | ★ 13K | Compare ↗ |
| #1,204 | JingMatrix/Vector | Kotlin | ★ 13K | Compare ↗ |
| #1,205 | aws/aws-cdk | TypeScript | ★ 12.9K | Compare ↗ |
| #1,206 | arkenfox/user.js This Project | JavaScript | ★ 12.9K | |
| #1,207 | rubocop/rubocop | Ruby | ★ 12.9K | Compare ↗ |
| #1,208 | abraunegg/onedrive | Python | ★ 12.9K | Compare ↗ |
| #1,209 | libre-tube/LibreTube | Kotlin | ★ 12.9K | Compare ↗ |
| #1,210 | codexu/note-gen | TypeScript | ★ 12.9K | Compare ↗ |
| #1,211 | datahub-project/datahub | Python | ★ 12.9K | Compare ↗ |
Frequently Asked Questions
What does user.js do? +
Firefox privacy, security and anti-tracking: a comprehensive user.js template for configuration and hardening
Is user.js actively maintained in 2026? +
Yes, user.js is actively maintained. The latest code push was recorded on Oct 31, 2026 (1 days ago). It holds a calculated Maintenance Health Score of 100/100 (A+ rating) with 12,939 stars and 21 open issues.
What language is user.js written in? +
The primary language is JavaScript. Topics include: anti-fingerprinting, anti-tracking, arkenfox, firefox, mozilla.
How many stars does user.js have? +
user.js has 12,939 stars and 557 forks on GitHub.
How does user.js rank among GitHub repositories? +
With 12,939 stars, arkenfox/user.js is ranked #1,206 globally across all repositories tracked on GitHubRepo and #111 among JavaScript projects.
What license is user.js distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
